Home / 17,688.32-26,498.76-9,115.28

Finding the Fourth Proportional to 17,688.32, 26,498.76 and 9,115.28

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Solution

The fourth proportional to 17,688.32, 26,498.76 and 9,115.28 is: 13,655.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,688.32 : 26,498.76 = 9,115.28 : x
  2. Step 2: Convert to fraction form
    17,688.32/26,498.76 = 9,115.28/x
  3. Step 3: Cross multiply
    17,688.32x = 26,498.76 × 9,115.28
  4. Step 4: Simplify right side
    17,688.32x = 241,543,617.05
  5. Step 5: Solve for x
    x = 241,543,617.05/17,688.32
  6. Step 6: Final answer
    x = 13,655.54

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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.