Home / 13,726.16-20,587.64-3,865.68

Finding the Fourth Proportional to 13,726.16, 20,587.64 and 3,865.68

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Solution

The fourth proportional to 13,726.16, 20,587.64 and 3,865.68 is: 5,798.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,726.16 : 20,587.64 = 3,865.68 : x
  2. Step 2: Convert to fraction form
    13,726.16/20,587.64 = 3,865.68/x
  3. Step 3: Cross multiply
    13,726.16x = 20,587.64 × 3,865.68
  4. Step 4: Simplify right side
    13,726.16x = 79,585,228.20
  5. Step 5: Solve for x
    x = 79,585,228.20/13,726.16
  6. Step 6: Final answer
    x = 5,798.07

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.