Home / 9,914.08-13,680.75-5,437.73

Finding the Fourth Proportional to 9,914.08, 13,680.75 and 5,437.73

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Solution

The fourth proportional to 9,914.08, 13,680.75 and 5,437.73 is: 7,503.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,914.08 : 13,680.75 = 5,437.73 : x
  2. Step 2: Convert to fraction form
    9,914.08/13,680.75 = 5,437.73/x
  3. Step 3: Cross multiply
    9,914.08x = 13,680.75 × 5,437.73
  4. Step 4: Simplify right side
    9,914.08x = 74,392,248.70
  5. Step 5: Solve for x
    x = 74,392,248.70/9,914.08
  6. Step 6: Final answer
    x = 7,503.70

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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.