Home / 12,531.60-17,254.24-10,639.26

Finding the Fourth Proportional to 12,531.60, 17,254.24 and 10,639.26

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Solution

The fourth proportional to 12,531.60, 17,254.24 and 10,639.26 is: 14,648.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,531.60 : 17,254.24 = 10,639.26 : x
  2. Step 2: Convert to fraction form
    12,531.60/17,254.24 = 10,639.26/x
  3. Step 3: Cross multiply
    12,531.60x = 17,254.24 × 10,639.26
  4. Step 4: Simplify right side
    12,531.60x = 183,572,345.46
  5. Step 5: Solve for x
    x = 183,572,345.46/12,531.60
  6. Step 6: Final answer
    x = 14,648.76

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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.