Home / 17,220.28-25,830.72-4,740.24

Finding the Fourth Proportional to 17,220.28, 25,830.72 and 4,740.24

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Solution

The fourth proportional to 17,220.28, 25,830.72 and 4,740.24 is: 7,110.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,220.28 : 25,830.72 = 4,740.24 : x
  2. Step 2: Convert to fraction form
    17,220.28/25,830.72 = 4,740.24/x
  3. Step 3: Cross multiply
    17,220.28x = 25,830.72 × 4,740.24
  4. Step 4: Simplify right side
    17,220.28x = 122,443,812.17
  5. Step 5: Solve for x
    x = 122,443,812.17/17,220.28
  6. Step 6: Final answer
    x = 7,110.44

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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.