Home / 18,429.19-25,432.28-10,045.69

Finding the Fourth Proportional to 18,429.19, 25,432.28 and 10,045.69

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Solution

The fourth proportional to 18,429.19, 25,432.28 and 10,045.69 is: 13,863.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,429.19 : 25,432.28 = 10,045.69 : x
  2. Step 2: Convert to fraction form
    18,429.19/25,432.28 = 10,045.69/x
  3. Step 3: Cross multiply
    18,429.19x = 25,432.28 × 10,045.69
  4. Step 4: Simplify right side
    18,429.19x = 255,484,724.74
  5. Step 5: Solve for x
    x = 255,484,724.74/18,429.19
  6. Step 6: Final answer
    x = 13,863.05

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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.