Home / 10,817.86-14,930.02-6,279.57

Finding the Fourth Proportional to 10,817.86, 14,930.02 and 6,279.57

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Solution

The fourth proportional to 10,817.86, 14,930.02 and 6,279.57 is: 8,666.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,817.86 : 14,930.02 = 6,279.57 : x
  2. Step 2: Convert to fraction form
    10,817.86/14,930.02 = 6,279.57/x
  3. Step 3: Cross multiply
    10,817.86x = 14,930.02 × 6,279.57
  4. Step 4: Simplify right side
    10,817.86x = 93,754,127.32
  5. Step 5: Solve for x
    x = 93,754,127.32/10,817.86
  6. Step 6: Final answer
    x = 8,666.61

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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.