Home / 10,010.40-13,759.02-8,824.56

Finding the Fourth Proportional to 10,010.40, 13,759.02 and 8,824.56

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Solution

The fourth proportional to 10,010.40, 13,759.02 and 8,824.56 is: 12,129.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,010.40 : 13,759.02 = 8,824.56 : x
  2. Step 2: Convert to fraction form
    10,010.40/13,759.02 = 8,824.56/x
  3. Step 3: Cross multiply
    10,010.40x = 13,759.02 × 8,824.56
  4. Step 4: Simplify right side
    10,010.40x = 121,417,297.53
  5. Step 5: Solve for x
    x = 121,417,297.53/10,010.40
  6. Step 6: Final answer
    x = 12,129.12

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.