Home / 22,476.70-31,017.84-12,405.14

Finding the Fourth Proportional to 22,476.70, 31,017.84 and 12,405.14

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Solution

The fourth proportional to 22,476.70, 31,017.84 and 12,405.14 is: 17,119.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,476.70 : 31,017.84 = 12,405.14 : x
  2. Step 2: Convert to fraction form
    22,476.70/31,017.84 = 12,405.14/x
  3. Step 3: Cross multiply
    22,476.70x = 31,017.84 × 12,405.14
  4. Step 4: Simplify right side
    22,476.70x = 384,780,647.70
  5. Step 5: Solve for x
    x = 384,780,647.70/22,476.70
  6. Step 6: Final answer
    x = 17,119.09

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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.