Home / 10,531.86-14,528.72-6,279.93

Finding the Fourth Proportional to 10,531.86, 14,528.72 and 6,279.93

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Solution

The fourth proportional to 10,531.86, 14,528.72 and 6,279.93 is: 8,663.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,531.86 : 14,528.72 = 6,279.93 : x
  2. Step 2: Convert to fraction form
    10,531.86/14,528.72 = 6,279.93/x
  3. Step 3: Cross multiply
    10,531.86x = 14,528.72 × 6,279.93
  4. Step 4: Simplify right side
    10,531.86x = 91,239,344.59
  5. Step 5: Solve for x
    x = 91,239,344.59/10,531.86
  6. Step 6: Final answer
    x = 8,663.17

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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.