Home / 23,206.78-32,026.94-13,135.19

Finding the Fourth Proportional to 23,206.78, 32,026.94 and 13,135.19

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Solution

The fourth proportional to 23,206.78, 32,026.94 and 13,135.19 is: 18,127.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,206.78 : 32,026.94 = 13,135.19 : x
  2. Step 2: Convert to fraction form
    23,206.78/32,026.94 = 13,135.19/x
  3. Step 3: Cross multiply
    23,206.78x = 32,026.94 × 13,135.19
  4. Step 4: Simplify right side
    23,206.78x = 420,679,765.46
  5. Step 5: Solve for x
    x = 420,679,765.46/23,206.78
  6. Step 6: Final answer
    x = 18,127.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.