Home / 15,532.03-21,434.24-8,458.30

Finding the Fourth Proportional to 15,532.03, 21,434.24 and 8,458.30

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Solution

The fourth proportional to 15,532.03, 21,434.24 and 8,458.30 is: 11,672.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,532.03 : 21,434.24 = 8,458.30 : x
  2. Step 2: Convert to fraction form
    15,532.03/21,434.24 = 8,458.30/x
  3. Step 3: Cross multiply
    15,532.03x = 21,434.24 × 8,458.30
  4. Step 4: Simplify right side
    15,532.03x = 181,297,232.19
  5. Step 5: Solve for x
    x = 181,297,232.19/15,532.03
  6. Step 6: Final answer
    x = 11,672.48

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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.