Home / 18,385.02-25,344.14-14,347.28

Finding the Fourth Proportional to 18,385.02, 25,344.14 and 14,347.28

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Solution

The fourth proportional to 18,385.02, 25,344.14 and 14,347.28 is: 19,778.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,385.02 : 25,344.14 = 14,347.28 : x
  2. Step 2: Convert to fraction form
    18,385.02/25,344.14 = 14,347.28/x
  3. Step 3: Cross multiply
    18,385.02x = 25,344.14 × 14,347.28
  4. Step 4: Simplify right side
    18,385.02x = 363,619,472.94
  5. Step 5: Solve for x
    x = 363,619,472.94/18,385.02
  6. Step 6: Final answer
    x = 19,778.03

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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.