Home / 15,200.36-22,690.56-13,133.66

Finding the Fourth Proportional to 15,200.36, 22,690.56 and 13,133.66

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Solution

The fourth proportional to 15,200.36, 22,690.56 and 13,133.66 is: 19,605.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,200.36 : 22,690.56 = 13,133.66 : x
  2. Step 2: Convert to fraction form
    15,200.36/22,690.56 = 13,133.66/x
  3. Step 3: Cross multiply
    15,200.36x = 22,690.56 × 13,133.66
  4. Step 4: Simplify right side
    15,200.36x = 298,010,034.58
  5. Step 5: Solve for x
    x = 298,010,034.58/15,200.36
  6. Step 6: Final answer
    x = 19,605.46

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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.