Home / 9,908.40-13,670.16-6,373.68

Finding the Fourth Proportional to 9,908.40, 13,670.16 and 6,373.68

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Solution

The fourth proportional to 9,908.40, 13,670.16 and 6,373.68 is: 8,793.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,908.40 : 13,670.16 = 6,373.68 : x
  2. Step 2: Convert to fraction form
    9,908.40/13,670.16 = 6,373.68/x
  3. Step 3: Cross multiply
    9,908.40x = 13,670.16 × 6,373.68
  4. Step 4: Simplify right side
    9,908.40x = 87,129,225.39
  5. Step 5: Solve for x
    x = 87,129,225.39/9,908.40
  6. Step 6: Final answer
    x = 8,793.47

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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.