Home / 10,247.07-14,140.80-5,770.80

Finding the Fourth Proportional to 10,247.07, 14,140.80 and 5,770.80

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Solution

The fourth proportional to 10,247.07, 14,140.80 and 5,770.80 is: 7,963.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,247.07 : 14,140.80 = 5,770.80 : x
  2. Step 2: Convert to fraction form
    10,247.07/14,140.80 = 5,770.80/x
  3. Step 3: Cross multiply
    10,247.07x = 14,140.80 × 5,770.80
  4. Step 4: Simplify right side
    10,247.07x = 81,603,728.64
  5. Step 5: Solve for x
    x = 81,603,728.64/10,247.07
  6. Step 6: Final answer
    x = 7,963.62

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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.