Home / 15,449.18-21,323.39-9,076.50

Finding the Fourth Proportional to 15,449.18, 21,323.39 and 9,076.50

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Solution

The fourth proportional to 15,449.18, 21,323.39 and 9,076.50 is: 12,527.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,449.18 : 21,323.39 = 9,076.50 : x
  2. Step 2: Convert to fraction form
    15,449.18/21,323.39 = 9,076.50/x
  3. Step 3: Cross multiply
    15,449.18x = 21,323.39 × 9,076.50
  4. Step 4: Simplify right side
    15,449.18x = 193,541,703.95
  5. Step 5: Solve for x
    x = 193,541,703.95/15,449.18
  6. Step 6: Final answer
    x = 12,527.64

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.