Home / 15,340.47-22,898.72-13,163.19

Finding the Fourth Proportional to 15,340.47, 22,898.72 and 13,163.19

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Solution

The fourth proportional to 15,340.47, 22,898.72 and 13,163.19 is: 19,648.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,340.47 : 22,898.72 = 13,163.19 : x
  2. Step 2: Convert to fraction form
    15,340.47/22,898.72 = 13,163.19/x
  3. Step 3: Cross multiply
    15,340.47x = 22,898.72 × 13,163.19
  4. Step 4: Simplify right side
    15,340.47x = 301,420,136.30
  5. Step 5: Solve for x
    x = 301,420,136.30/15,340.47
  6. Step 6: Final answer
    x = 19,648.69

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.