Home / 10,743.52-14,818.08-8,616.72

Finding the Fourth Proportional to 10,743.52, 14,818.08 and 8,616.72

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Solution

The fourth proportional to 10,743.52, 14,818.08 and 8,616.72 is: 11,884.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,743.52 : 14,818.08 = 8,616.72 : x
  2. Step 2: Convert to fraction form
    10,743.52/14,818.08 = 8,616.72/x
  3. Step 3: Cross multiply
    10,743.52x = 14,818.08 × 8,616.72
  4. Step 4: Simplify right side
    10,743.52x = 127,683,246.30
  5. Step 5: Solve for x
    x = 127,683,246.30/10,743.52
  6. Step 6: Final answer
    x = 11,884.68

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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.