Home / 13,437.96-20,158.08-3,577.24

Finding the Fourth Proportional to 13,437.96, 20,158.08 and 3,577.24

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Solution

The fourth proportional to 13,437.96, 20,158.08 and 3,577.24 is: 5,366.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,437.96 : 20,158.08 = 3,577.24 : x
  2. Step 2: Convert to fraction form
    13,437.96/20,158.08 = 3,577.24/x
  3. Step 3: Cross multiply
    13,437.96x = 20,158.08 × 3,577.24
  4. Step 4: Simplify right side
    13,437.96x = 72,110,290.10
  5. Step 5: Solve for x
    x = 72,110,290.10/13,437.96
  6. Step 6: Final answer
    x = 5,366.16

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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.