Home / 13,357.26-20,036.07-12,545.46

Finding the Fourth Proportional to 13,357.26, 20,036.07 and 12,545.46

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Solution

The fourth proportional to 13,357.26, 20,036.07 and 12,545.46 is: 18,818.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,357.26 : 20,036.07 = 12,545.46 : x
  2. Step 2: Convert to fraction form
    13,357.26/20,036.07 = 12,545.46/x
  3. Step 3: Cross multiply
    13,357.26x = 20,036.07 × 12,545.46
  4. Step 4: Simplify right side
    13,357.26x = 251,361,714.74
  5. Step 5: Solve for x
    x = 251,361,714.74/13,357.26
  6. Step 6: Final answer
    x = 18,818.36

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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.