Home / 10,710.92-14,780.18-6,403.91

Finding the Fourth Proportional to 10,710.92, 14,780.18 and 6,403.91

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Solution

The fourth proportional to 10,710.92, 14,780.18 and 6,403.91 is: 8,836.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,710.92 : 14,780.18 = 6,403.91 : x
  2. Step 2: Convert to fraction form
    10,710.92/14,780.18 = 6,403.91/x
  3. Step 3: Cross multiply
    10,710.92x = 14,780.18 × 6,403.91
  4. Step 4: Simplify right side
    10,710.92x = 94,650,836.58
  5. Step 5: Solve for x
    x = 94,650,836.58/10,710.92
  6. Step 6: Final answer
    x = 8,836.86

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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.