Home / 17,436.20-26,154.30-8,688.20

Finding the Fourth Proportional to 17,436.20, 26,154.30 and 8,688.20

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Solution

The fourth proportional to 17,436.20, 26,154.30 and 8,688.20 is: 13,032.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,436.20 : 26,154.30 = 8,688.20 : x
  2. Step 2: Convert to fraction form
    17,436.20/26,154.30 = 8,688.20/x
  3. Step 3: Cross multiply
    17,436.20x = 26,154.30 × 8,688.20
  4. Step 4: Simplify right side
    17,436.20x = 227,233,789.26
  5. Step 5: Solve for x
    x = 227,233,789.26/17,436.20
  6. Step 6: Final answer
    x = 13,032.30

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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.