Home / 12,351.32-18,458.98-9,026.48

Finding the Fourth Proportional to 12,351.32, 18,458.98 and 9,026.48

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Solution

The fourth proportional to 12,351.32, 18,458.98 and 9,026.48 is: 13,490.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,351.32 : 18,458.98 = 9,026.48 : x
  2. Step 2: Convert to fraction form
    12,351.32/18,458.98 = 9,026.48/x
  3. Step 3: Cross multiply
    12,351.32x = 18,458.98 × 9,026.48
  4. Step 4: Simplify right side
    12,351.32x = 166,619,613.79
  5. Step 5: Solve for x
    x = 166,619,613.79/12,351.32
  6. Step 6: Final answer
    x = 13,490.02

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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.