Home / 10,486.13-14,470.90-5,770.49

Finding the Fourth Proportional to 10,486.13, 14,470.90 and 5,770.49

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Solution

The fourth proportional to 10,486.13, 14,470.90 and 5,770.49 is: 7,963.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,486.13 : 14,470.90 = 5,770.49 : x
  2. Step 2: Convert to fraction form
    10,486.13/14,470.90 = 5,770.49/x
  3. Step 3: Cross multiply
    10,486.13x = 14,470.90 × 5,770.49
  4. Step 4: Simplify right side
    10,486.13x = 83,504,096.96
  5. Step 5: Solve for x
    x = 83,504,096.96/10,486.13
  6. Step 6: Final answer
    x = 7,963.29

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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.