Home / 10,031.20-15,037.85-4,762.96

Finding the Fourth Proportional to 10,031.20, 15,037.85 and 4,762.96

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Solution

The fourth proportional to 10,031.20, 15,037.85 and 4,762.96 is: 7,140.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,031.20 : 15,037.85 = 4,762.96 : x
  2. Step 2: Convert to fraction form
    10,031.20/15,037.85 = 4,762.96/x
  3. Step 3: Cross multiply
    10,031.20x = 15,037.85 × 4,762.96
  4. Step 4: Simplify right side
    10,031.20x = 71,624,579.03
  5. Step 5: Solve for x
    x = 71,624,579.03/10,031.20
  6. Step 6: Final answer
    x = 7,140.18

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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.