Home / 9,964.18-13,750.46-5,487.86

Finding the Fourth Proportional to 9,964.18, 13,750.46 and 5,487.86

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Solution

The fourth proportional to 9,964.18, 13,750.46 and 5,487.86 is: 7,573.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,964.18 : 13,750.46 = 5,487.86 : x
  2. Step 2: Convert to fraction form
    9,964.18/13,750.46 = 5,487.86/x
  3. Step 3: Cross multiply
    9,964.18x = 13,750.46 × 5,487.86
  4. Step 4: Simplify right side
    9,964.18x = 75,460,599.42
  5. Step 5: Solve for x
    x = 75,460,599.42/9,964.18
  6. Step 6: Final answer
    x = 7,573.19

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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.