Home / 13,437.38-20,159.48-7,895.42

Finding the Fourth Proportional to 13,437.38, 20,159.48 and 7,895.42

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Solution

The fourth proportional to 13,437.38, 20,159.48 and 7,895.42 is: 11,845.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,437.38 : 20,159.48 = 7,895.42 : x
  2. Step 2: Convert to fraction form
    13,437.38/20,159.48 = 7,895.42/x
  3. Step 3: Cross multiply
    13,437.38x = 20,159.48 × 7,895.42
  4. Step 4: Simplify right side
    13,437.38x = 159,167,561.58
  5. Step 5: Solve for x
    x = 159,167,561.58/13,437.38
  6. Step 6: Final answer
    x = 11,845.13

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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.