Home / 15,907.86-23,861.76-8,886.66

Finding the Fourth Proportional to 15,907.86, 23,861.76 and 8,886.66

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Solution

The fourth proportional to 15,907.86, 23,861.76 and 8,886.66 is: 13,329.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,907.86 : 23,861.76 = 8,886.66 : x
  2. Step 2: Convert to fraction form
    15,907.86/23,861.76 = 8,886.66/x
  3. Step 3: Cross multiply
    15,907.86x = 23,861.76 × 8,886.66
  4. Step 4: Simplify right side
    15,907.86x = 212,051,348.12
  5. Step 5: Solve for x
    x = 212,051,348.12/15,907.86
  6. Step 6: Final answer
    x = 13,329.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.