Home / 13,598.76-20,398.14-8,663.44

Finding the Fourth Proportional to 13,598.76, 20,398.14 and 8,663.44

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Solution

The fourth proportional to 13,598.76, 20,398.14 and 8,663.44 is: 12,995.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,598.76 : 20,398.14 = 8,663.44 : x
  2. Step 2: Convert to fraction form
    13,598.76/20,398.14 = 8,663.44/x
  3. Step 3: Cross multiply
    13,598.76x = 20,398.14 × 8,663.44
  4. Step 4: Simplify right side
    13,598.76x = 176,718,062.00
  5. Step 5: Solve for x
    x = 176,718,062.00/13,598.76
  6. Step 6: Final answer
    x = 12,995.16

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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.