Home / 15,307.74-21,125.04-8,593.86

Finding the Fourth Proportional to 15,307.74, 21,125.04 and 8,593.86

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Solution

The fourth proportional to 15,307.74, 21,125.04 and 8,593.86 is: 11,859.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,307.74 : 21,125.04 = 8,593.86 : x
  2. Step 2: Convert to fraction form
    15,307.74/21,125.04 = 8,593.86/x
  3. Step 3: Cross multiply
    15,307.74x = 21,125.04 × 8,593.86
  4. Step 4: Simplify right side
    15,307.74x = 181,545,636.25
  5. Step 5: Solve for x
    x = 181,545,636.25/15,307.74
  6. Step 6: Final answer
    x = 11,859.73

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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.