Home / 16,780.88-25,160.28-9,386.12

Finding the Fourth Proportional to 16,780.88, 25,160.28 and 9,386.12

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Solution

The fourth proportional to 16,780.88, 25,160.28 and 9,386.12 is: 14,073.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,780.88 : 25,160.28 = 9,386.12 : x
  2. Step 2: Convert to fraction form
    16,780.88/25,160.28 = 9,386.12/x
  3. Step 3: Cross multiply
    16,780.88x = 25,160.28 × 9,386.12
  4. Step 4: Simplify right side
    16,780.88x = 236,157,407.31
  5. Step 5: Solve for x
    x = 236,157,407.31/16,780.88
  6. Step 6: Final answer
    x = 14,073.00

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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.