Home / 13,005.60-19,501.76-4,234.88

Finding the Fourth Proportional to 13,005.60, 19,501.76 and 4,234.88

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Solution

The fourth proportional to 13,005.60, 19,501.76 and 4,234.88 is: 6,350.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,005.60 : 19,501.76 = 4,234.88 : x
  2. Step 2: Convert to fraction form
    13,005.60/19,501.76 = 4,234.88/x
  3. Step 3: Cross multiply
    13,005.60x = 19,501.76 × 4,234.88
  4. Step 4: Simplify right side
    13,005.60x = 82,587,613.39
  5. Step 5: Solve for x
    x = 82,587,613.39/13,005.60
  6. Step 6: Final answer
    x = 6,350.16

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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.