Home / 9,818.89-13,549.86-5,342.66

Finding the Fourth Proportional to 9,818.89, 13,549.86 and 5,342.66

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Solution

The fourth proportional to 9,818.89, 13,549.86 and 5,342.66 is: 7,372.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,818.89 : 13,549.86 = 5,342.66 : x
  2. Step 2: Convert to fraction form
    9,818.89/13,549.86 = 5,342.66/x
  3. Step 3: Cross multiply
    9,818.89x = 13,549.86 × 5,342.66
  4. Step 4: Simplify right side
    9,818.89x = 72,392,295.03
  5. Step 5: Solve for x
    x = 72,392,295.03/9,818.89
  6. Step 6: Final answer
    x = 7,372.76

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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.