Home / 19,693.20-29,539.56-4,902.24

Finding the Fourth Proportional to 19,693.20, 29,539.56 and 4,902.24

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Solution

The fourth proportional to 19,693.20, 29,539.56 and 4,902.24 is: 7,353.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,693.20 : 29,539.56 = 4,902.24 : x
  2. Step 2: Convert to fraction form
    19,693.20/29,539.56 = 4,902.24/x
  3. Step 3: Cross multiply
    19,693.20x = 29,539.56 × 4,902.24
  4. Step 4: Simplify right side
    19,693.20x = 144,810,012.61
  5. Step 5: Solve for x
    x = 144,810,012.61/19,693.20
  6. Step 6: Final answer
    x = 7,353.30

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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.