Home / 15,444.78-23,170.38-6,210.78

Finding the Fourth Proportional to 15,444.78, 23,170.38 and 6,210.78

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Solution

The fourth proportional to 15,444.78, 23,170.38 and 6,210.78 is: 9,317.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,444.78 : 23,170.38 = 6,210.78 : x
  2. Step 2: Convert to fraction form
    15,444.78/23,170.38 = 6,210.78/x
  3. Step 3: Cross multiply
    15,444.78x = 23,170.38 × 6,210.78
  4. Step 4: Simplify right side
    15,444.78x = 143,906,132.70
  5. Step 5: Solve for x
    x = 143,906,132.70/15,444.78
  6. Step 6: Final answer
    x = 9,317.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.