Home / 10,654.08-14,705.88-6,178.92

Finding the Fourth Proportional to 10,654.08, 14,705.88 and 6,178.92

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Solution

The fourth proportional to 10,654.08, 14,705.88 and 6,178.92 is: 8,528.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,654.08 : 14,705.88 = 6,178.92 : x
  2. Step 2: Convert to fraction form
    10,654.08/14,705.88 = 6,178.92/x
  3. Step 3: Cross multiply
    10,654.08x = 14,705.88 × 6,178.92
  4. Step 4: Simplify right side
    10,654.08x = 90,866,456.05
  5. Step 5: Solve for x
    x = 90,866,456.05/10,654.08
  6. Step 6: Final answer
    x = 8,528.79

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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.