Home / 9,904.40-13,677.32-6,373.76

Finding the Fourth Proportional to 9,904.40, 13,677.32 and 6,373.76

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Solution

The fourth proportional to 9,904.40, 13,677.32 and 6,373.76 is: 8,801.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,904.40 : 13,677.32 = 6,373.76 : x
  2. Step 2: Convert to fraction form
    9,904.40/13,677.32 = 6,373.76/x
  3. Step 3: Cross multiply
    9,904.40x = 13,677.32 × 6,373.76
  4. Step 4: Simplify right side
    9,904.40x = 87,175,955.12
  5. Step 5: Solve for x
    x = 87,175,955.12/9,904.40
  6. Step 6: Final answer
    x = 8,801.74

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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.