Home / 15,309.20-22,963.80-13,365.20

Finding the Fourth Proportional to 15,309.20, 22,963.80 and 13,365.20

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Solution

The fourth proportional to 15,309.20, 22,963.80 and 13,365.20 is: 20,047.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,309.20 : 22,963.80 = 13,365.20 : x
  2. Step 2: Convert to fraction form
    15,309.20/22,963.80 = 13,365.20/x
  3. Step 3: Cross multiply
    15,309.20x = 22,963.80 × 13,365.20
  4. Step 4: Simplify right side
    15,309.20x = 306,915,779.76
  5. Step 5: Solve for x
    x = 306,915,779.76/15,309.20
  6. Step 6: Final answer
    x = 20,047.80

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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.