Home / 18,127.02-25,002.32-15,733.46

Finding the Fourth Proportional to 18,127.02, 25,002.32 and 15,733.46

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Solution

The fourth proportional to 18,127.02, 25,002.32 and 15,733.46 is: 21,700.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,127.02 : 25,002.32 = 15,733.46 : x
  2. Step 2: Convert to fraction form
    18,127.02/25,002.32 = 15,733.46/x
  3. Step 3: Cross multiply
    18,127.02x = 25,002.32 × 15,733.46
  4. Step 4: Simplify right side
    18,127.02x = 393,373,001.63
  5. Step 5: Solve for x
    x = 393,373,001.63/18,127.02
  6. Step 6: Final answer
    x = 21,700.92

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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.