Home / 18,646.36-25,726.18-10,578.69

Finding the Fourth Proportional to 18,646.36, 25,726.18 and 10,578.69

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Solution

The fourth proportional to 18,646.36, 25,726.18 and 10,578.69 is: 14,595.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,646.36 : 25,726.18 = 10,578.69 : x
  2. Step 2: Convert to fraction form
    18,646.36/25,726.18 = 10,578.69/x
  3. Step 3: Cross multiply
    18,646.36x = 25,726.18 × 10,578.69
  4. Step 4: Simplify right side
    18,646.36x = 272,149,283.10
  5. Step 5: Solve for x
    x = 272,149,283.10/18,646.36
  6. Step 6: Final answer
    x = 14,595.30

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Half scale
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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.