Home / 10,686.20-16,010.10-6,577.40

Finding the Fourth Proportional to 10,686.20, 16,010.10 and 6,577.40

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Solution

The fourth proportional to 10,686.20, 16,010.10 and 6,577.40 is: 9,854.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,686.20 : 16,010.10 = 6,577.40 : x
  2. Step 2: Convert to fraction form
    10,686.20/16,010.10 = 6,577.40/x
  3. Step 3: Cross multiply
    10,686.20x = 16,010.10 × 6,577.40
  4. Step 4: Simplify right side
    10,686.20x = 105,304,831.74
  5. Step 5: Solve for x
    x = 105,304,831.74/10,686.20
  6. Step 6: Final answer
    x = 9,854.28

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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.