Home / 10,853.88-14,975.70-6,377.80

Finding the Fourth Proportional to 10,853.88, 14,975.70 and 6,377.80

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Solution

The fourth proportional to 10,853.88, 14,975.70 and 6,377.80 is: 8,799.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,853.88 : 14,975.70 = 6,377.80 : x
  2. Step 2: Convert to fraction form
    10,853.88/14,975.70 = 6,377.80/x
  3. Step 3: Cross multiply
    10,853.88x = 14,975.70 × 6,377.80
  4. Step 4: Simplify right side
    10,853.88x = 95,512,019.46
  5. Step 5: Solve for x
    x = 95,512,019.46/10,853.88
  6. Step 6: Final answer
    x = 8,799.80

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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.