Home / 15,549.24-21,458-8,475.52

Finding the Fourth Proportional to 15,549.24, 21,458 and 8,475.52

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Solution

The fourth proportional to 15,549.24, 21,458 and 8,475.52 is: 11,696.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,549.24 : 21,458 = 8,475.52 : x
  2. Step 2: Convert to fraction form
    15,549.24/21,458 = 8,475.52/x
  3. Step 3: Cross multiply
    15,549.24x = 21,458 × 8,475.52
  4. Step 4: Simplify right side
    15,549.24x = 181,867,708.16
  5. Step 5: Solve for x
    x = 181,867,708.16/15,549.24
  6. Step 6: Final answer
    x = 11,696.24

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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.