Home / 22,486.04-31,030.56-12,414.49

Finding the Fourth Proportional to 22,486.04, 31,030.56 and 12,414.49

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Solution

The fourth proportional to 22,486.04, 31,030.56 and 12,414.49 is: 17,131.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,486.04 : 31,030.56 = 12,414.49 : x
  2. Step 2: Convert to fraction form
    22,486.04/31,030.56 = 12,414.49/x
  3. Step 3: Cross multiply
    22,486.04x = 31,030.56 × 12,414.49
  4. Step 4: Simplify right side
    22,486.04x = 385,228,576.81
  5. Step 5: Solve for x
    x = 385,228,576.81/22,486.04
  6. Step 6: Final answer
    x = 17,131.90

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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.