Home / 12,932.29-19,400.40-6,603.70

Finding the Fourth Proportional to 12,932.29, 19,400.40 and 6,603.70

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Solution

The fourth proportional to 12,932.29, 19,400.40 and 6,603.70 is: 9,906.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,932.29 : 19,400.40 = 6,603.70 : x
  2. Step 2: Convert to fraction form
    12,932.29/19,400.40 = 6,603.70/x
  3. Step 3: Cross multiply
    12,932.29x = 19,400.40 × 6,603.70
  4. Step 4: Simplify right side
    12,932.29x = 128,114,421.48
  5. Step 5: Solve for x
    x = 128,114,421.48/12,932.29
  6. Step 6: Final answer
    x = 9,906.55

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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.