Home / 43,515.18-65,263.68-15,436.13

Finding the Fourth Proportional to 43,515.18, 65,263.68 and 15,436.13

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Solution

The fourth proportional to 43,515.18, 65,263.68 and 15,436.13 is: 23,150.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,515.18 : 65,263.68 = 15,436.13 : x
  2. Step 2: Convert to fraction form
    43,515.18/65,263.68 = 15,436.13/x
  3. Step 3: Cross multiply
    43,515.18x = 65,263.68 × 15,436.13
  4. Step 4: Simplify right side
    43,515.18x = 1,007,418,322.44
  5. Step 5: Solve for x
    x = 1,007,418,322.44/43,515.18
  6. Step 6: Final answer
    x = 23,150.96

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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.