Home / 10,372.10-15,555.84-4,130.96

Finding the Fourth Proportional to 10,372.10, 15,555.84 and 4,130.96

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Solution

The fourth proportional to 10,372.10, 15,555.84 and 4,130.96 is: 6,195.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,372.10 : 15,555.84 = 4,130.96 : x
  2. Step 2: Convert to fraction form
    10,372.10/15,555.84 = 4,130.96/x
  3. Step 3: Cross multiply
    10,372.10x = 15,555.84 × 4,130.96
  4. Step 4: Simplify right side
    10,372.10x = 64,260,552.81
  5. Step 5: Solve for x
    x = 64,260,552.81/10,372.10
  6. Step 6: Final answer
    x = 6,195.52

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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.