Home / 23,127.11-31,915.99-13,056.48

Finding the Fourth Proportional to 23,127.11, 31,915.99 and 13,056.48

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Solution

The fourth proportional to 23,127.11, 31,915.99 and 13,056.48 is: 18,018.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,127.11 : 31,915.99 = 13,056.48 : x
  2. Step 2: Convert to fraction form
    23,127.11/31,915.99 = 13,056.48/x
  3. Step 3: Cross multiply
    23,127.11x = 31,915.99 × 13,056.48
  4. Step 4: Simplify right side
    23,127.11x = 416,710,332.79
  5. Step 5: Solve for x
    x = 416,710,332.79/23,127.11
  6. Step 6: Final answer
    x = 18,018.27

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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.