Home / 10,007.90-15,014.88-5,327.11

Finding the Fourth Proportional to 10,007.90, 15,014.88 and 5,327.11

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Solution

The fourth proportional to 10,007.90, 15,014.88 and 5,327.11 is: 7,992.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,007.90 : 15,014.88 = 5,327.11 : x
  2. Step 2: Convert to fraction form
    10,007.90/15,014.88 = 5,327.11/x
  3. Step 3: Cross multiply
    10,007.90x = 15,014.88 × 5,327.11
  4. Step 4: Simplify right side
    10,007.90x = 79,985,879.86
  5. Step 5: Solve for x
    x = 79,985,879.86/10,007.90
  6. Step 6: Final answer
    x = 7,992.28

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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.