Home / 10,000.24-14,995.96-5,319.12

Finding the Fourth Proportional to 10,000.24, 14,995.96 and 5,319.12

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Solution

The fourth proportional to 10,000.24, 14,995.96 and 5,319.12 is: 7,976.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,000.24 : 14,995.96 = 5,319.12 : x
  2. Step 2: Convert to fraction form
    10,000.24/14,995.96 = 5,319.12/x
  3. Step 3: Cross multiply
    10,000.24x = 14,995.96 × 5,319.12
  4. Step 4: Simplify right side
    10,000.24x = 79,765,310.76
  5. Step 5: Solve for x
    x = 79,765,310.76/10,000.24
  6. Step 6: Final answer
    x = 7,976.34

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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.