Home / 22,813.60-31,482.45-12,742.22

Finding the Fourth Proportional to 22,813.60, 31,482.45 and 12,742.22

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Solution

The fourth proportional to 22,813.60, 31,482.45 and 12,742.22 is: 17,584.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,813.60 : 31,482.45 = 12,742.22 : x
  2. Step 2: Convert to fraction form
    22,813.60/31,482.45 = 12,742.22/x
  3. Step 3: Cross multiply
    22,813.60x = 31,482.45 × 12,742.22
  4. Step 4: Simplify right side
    22,813.60x = 401,156,304.04
  5. Step 5: Solve for x
    x = 401,156,304.04/22,813.60
  6. Step 6: Final answer
    x = 17,584.09

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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.