Home / 9,914.49-13,681.76-6,377.69

Finding the Fourth Proportional to 9,914.49, 13,681.76 and 6,377.69

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Solution

The fourth proportional to 9,914.49, 13,681.76 and 6,377.69 is: 8,801.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,914.49 : 13,681.76 = 6,377.69 : x
  2. Step 2: Convert to fraction form
    9,914.49/13,681.76 = 6,377.69/x
  3. Step 3: Cross multiply
    9,914.49x = 13,681.76 × 6,377.69
  4. Step 4: Simplify right side
    9,914.49x = 87,258,026.25
  5. Step 5: Solve for x
    x = 87,258,026.25/9,914.49
  6. Step 6: Final answer
    x = 8,801.06

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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.