Home / 15,159.32-20,768.37-14,591.15

Finding the Fourth Proportional to 15,159.32, 20,768.37 and 14,591.15

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Solution

The fourth proportional to 15,159.32, 20,768.37 and 14,591.15 is: 19,989.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,159.32 : 20,768.37 = 14,591.15 : x
  2. Step 2: Convert to fraction form
    15,159.32/20,768.37 = 14,591.15/x
  3. Step 3: Cross multiply
    15,159.32x = 20,768.37 × 14,591.15
  4. Step 4: Simplify right side
    15,159.32x = 303,034,498.05
  5. Step 5: Solve for x
    x = 303,034,498.05/15,159.32
  6. Step 6: Final answer
    x = 19,989.98

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.