Home / 10,437.90-15,656.77-8,370.88

Finding the Fourth Proportional to 10,437.90, 15,656.77 and 8,370.88

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Solution

The fourth proportional to 10,437.90, 15,656.77 and 8,370.88 is: 12,556.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,437.90 : 15,656.77 = 8,370.88 : x
  2. Step 2: Convert to fraction form
    10,437.90/15,656.77 = 8,370.88/x
  3. Step 3: Cross multiply
    10,437.90x = 15,656.77 × 8,370.88
  4. Step 4: Simplify right side
    10,437.90x = 131,060,942.86
  5. Step 5: Solve for x
    x = 131,060,942.86/10,437.90
  6. Step 6: Final answer
    x = 12,556.26

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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.