Home / 9,988.79-13,790.05-6,010.88

Finding the Fourth Proportional to 9,988.79, 13,790.05 and 6,010.88

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Solution

The fourth proportional to 9,988.79, 13,790.05 and 6,010.88 is: 8,298.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,988.79 : 13,790.05 = 6,010.88 : x
  2. Step 2: Convert to fraction form
    9,988.79/13,790.05 = 6,010.88/x
  3. Step 3: Cross multiply
    9,988.79x = 13,790.05 × 6,010.88
  4. Step 4: Simplify right side
    9,988.79x = 82,890,251.77
  5. Step 5: Solve for x
    x = 82,890,251.77/9,988.79
  6. Step 6: Final answer
    x = 8,298.33

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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.