Home / 15,331.17-23,012.85-13,587.33

Finding the Fourth Proportional to 15,331.17, 23,012.85 and 13,587.33

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Solution

The fourth proportional to 15,331.17, 23,012.85 and 13,587.33 is: 20,395.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,331.17 : 23,012.85 = 13,587.33 : x
  2. Step 2: Convert to fraction form
    15,331.17/23,012.85 = 13,587.33/x
  3. Step 3: Cross multiply
    15,331.17x = 23,012.85 × 13,587.33
  4. Step 4: Simplify right side
    15,331.17x = 312,683,187.19
  5. Step 5: Solve for x
    x = 312,683,187.19/15,331.17
  6. Step 6: Final answer
    x = 20,395.26

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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.