Home / 17,915.68-24,726.36-12,896.52

Finding the Fourth Proportional to 17,915.68, 24,726.36 and 12,896.52

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Solution

The fourth proportional to 17,915.68, 24,726.36 and 12,896.52 is: 17,799.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,915.68 : 24,726.36 = 12,896.52 : x
  2. Step 2: Convert to fraction form
    17,915.68/24,726.36 = 12,896.52/x
  3. Step 3: Cross multiply
    17,915.68x = 24,726.36 × 12,896.52
  4. Step 4: Simplify right side
    17,915.68x = 318,883,996.27
  5. Step 5: Solve for x
    x = 318,883,996.27/17,915.68
  6. Step 6: Final answer
    x = 17,799.16

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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.