Home / 19,860.20-29,744.93-9,479.24

Finding the Fourth Proportional to 19,860.20, 29,744.93 and 9,479.24

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Solution

The fourth proportional to 19,860.20, 29,744.93 and 9,479.24 is: 14,197.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,860.20 : 29,744.93 = 9,479.24 : x
  2. Step 2: Convert to fraction form
    19,860.20/29,744.93 = 9,479.24/x
  3. Step 3: Cross multiply
    19,860.20x = 29,744.93 × 9,479.24
  4. Step 4: Simplify right side
    19,860.20x = 281,959,330.25
  5. Step 5: Solve for x
    x = 281,959,330.25/19,860.20
  6. Step 6: Final answer
    x = 14,197.20

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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.