Home / 15,739.52-21,702.53-11,753.91

Finding the Fourth Proportional to 15,739.52, 21,702.53 and 11,753.91

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Solution

The fourth proportional to 15,739.52, 21,702.53 and 11,753.91 is: 16,206.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,739.52 : 21,702.53 = 11,753.91 : x
  2. Step 2: Convert to fraction form
    15,739.52/21,702.53 = 11,753.91/x
  3. Step 3: Cross multiply
    15,739.52x = 21,702.53 × 11,753.91
  4. Step 4: Simplify right side
    15,739.52x = 255,089,613.78
  5. Step 5: Solve for x
    x = 255,089,613.78/15,739.52
  6. Step 6: Final answer
    x = 16,206.96

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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.