Home / 15,307.52-21,124.67-8,593.79

Finding the Fourth Proportional to 15,307.52, 21,124.67 and 8,593.79

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Solution

The fourth proportional to 15,307.52, 21,124.67 and 8,593.79 is: 11,859.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,307.52 : 21,124.67 = 8,593.79 : x
  2. Step 2: Convert to fraction form
    15,307.52/21,124.67 = 8,593.79/x
  3. Step 3: Cross multiply
    15,307.52x = 21,124.67 × 8,593.79
  4. Step 4: Simplify right side
    15,307.52x = 181,540,829.21
  5. Step 5: Solve for x
    x = 181,540,829.21/15,307.52
  6. Step 6: Final answer
    x = 11,859.59

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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.