Home / 14,928.76-20,591.22-12,935.76

Finding the Fourth Proportional to 14,928.76, 20,591.22 and 12,935.76

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Solution

The fourth proportional to 14,928.76, 20,591.22 and 12,935.76 is: 17,842.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,928.76 : 20,591.22 = 12,935.76 : x
  2. Step 2: Convert to fraction form
    14,928.76/20,591.22 = 12,935.76/x
  3. Step 3: Cross multiply
    14,928.76x = 20,591.22 × 12,935.76
  4. Step 4: Simplify right side
    14,928.76x = 266,363,080.03
  5. Step 5: Solve for x
    x = 266,363,080.03/14,928.76
  6. Step 6: Final answer
    x = 17,842.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.