Home / 9,742.80-14,589.52-6,445.92

Finding the Fourth Proportional to 9,742.80, 14,589.52 and 6,445.92

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Solution

The fourth proportional to 9,742.80, 14,589.52 and 6,445.92 is: 9,652.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,742.80 : 14,589.52 = 6,445.92 : x
  2. Step 2: Convert to fraction form
    9,742.80/14,589.52 = 6,445.92/x
  3. Step 3: Cross multiply
    9,742.80x = 14,589.52 × 6,445.92
  4. Step 4: Simplify right side
    9,742.80x = 94,042,878.76
  5. Step 5: Solve for x
    x = 94,042,878.76/9,742.80
  6. Step 6: Final answer
    x = 9,652.55

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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.