Home / 12,521-17,278.98-6,932.36

Finding the Fourth Proportional to 12,521, 17,278.98 and 6,932.36

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Solution

The fourth proportional to 12,521, 17,278.98 and 6,932.36 is: 9,566.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,521 : 17,278.98 = 6,932.36 : x
  2. Step 2: Convert to fraction form
    12,521/17,278.98 = 6,932.36/x
  3. Step 3: Cross multiply
    12,521x = 17,278.98 × 6,932.36
  4. Step 4: Simplify right side
    12,521x = 119,784,109.79
  5. Step 5: Solve for x
    x = 119,784,109.79/12,521
  6. Step 6: Final answer
    x = 9,566.66

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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.