Home / 12,753.32-19,131.96-6,509.95

Finding the Fourth Proportional to 12,753.32, 19,131.96 and 6,509.95

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Solution

The fourth proportional to 12,753.32, 19,131.96 and 6,509.95 is: 9,765.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,753.32 : 19,131.96 = 6,509.95 : x
  2. Step 2: Convert to fraction form
    12,753.32/19,131.96 = 6,509.95/x
  3. Step 3: Cross multiply
    12,753.32x = 19,131.96 × 6,509.95
  4. Step 4: Simplify right side
    12,753.32x = 124,547,974.79
  5. Step 5: Solve for x
    x = 124,547,974.79/12,753.32
  6. Step 6: Final answer
    x = 9,765.93

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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.