Home / 15,253.92-21,034.08-9,577.44

Finding the Fourth Proportional to 15,253.92, 21,034.08 and 9,577.44

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Solution

The fourth proportional to 15,253.92, 21,034.08 and 9,577.44 is: 13,206.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,253.92 : 21,034.08 = 9,577.44 : x
  2. Step 2: Convert to fraction form
    15,253.92/21,034.08 = 9,577.44/x
  3. Step 3: Cross multiply
    15,253.92x = 21,034.08 × 9,577.44
  4. Step 4: Simplify right side
    15,253.92x = 201,452,639.16
  5. Step 5: Solve for x
    x = 201,452,639.16/15,253.92
  6. Step 6: Final answer
    x = 13,206.61

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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.