Home / 15,032.16-20,763.36-11,487.36

Finding the Fourth Proportional to 15,032.16, 20,763.36 and 11,487.36

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Solution

The fourth proportional to 15,032.16, 20,763.36 and 11,487.36 is: 15,867.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,032.16 : 20,763.36 = 11,487.36 : x
  2. Step 2: Convert to fraction form
    15,032.16/20,763.36 = 11,487.36/x
  3. Step 3: Cross multiply
    15,032.16x = 20,763.36 × 11,487.36
  4. Step 4: Simplify right side
    15,032.16x = 238,516,191.13
  5. Step 5: Solve for x
    x = 238,516,191.13/15,032.16
  6. Step 6: Final answer
    x = 15,867.06

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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.