Home / 10,049.40-15,070.24-4,780.35

Finding the Fourth Proportional to 10,049.40, 15,070.24 and 4,780.35

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Solution

The fourth proportional to 10,049.40, 15,070.24 and 4,780.35 is: 7,168.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,049.40 : 15,070.24 = 4,780.35 : x
  2. Step 2: Convert to fraction form
    10,049.40/15,070.24 = 4,780.35/x
  3. Step 3: Cross multiply
    10,049.40x = 15,070.24 × 4,780.35
  4. Step 4: Simplify right side
    10,049.40x = 72,041,000.87
  5. Step 5: Solve for x
    x = 72,041,000.87/10,049.40
  6. Step 6: Final answer
    x = 7,168.69

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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.