Home / 22,554.56-31,125.35-12,483.70

Finding the Fourth Proportional to 22,554.56, 31,125.35 and 12,483.70

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Solution

The fourth proportional to 22,554.56, 31,125.35 and 12,483.70 is: 17,227.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,554.56 : 31,125.35 = 12,483.70 : x
  2. Step 2: Convert to fraction form
    22,554.56/31,125.35 = 12,483.70/x
  3. Step 3: Cross multiply
    22,554.56x = 31,125.35 × 12,483.70
  4. Step 4: Simplify right side
    22,554.56x = 388,559,407.38
  5. Step 5: Solve for x
    x = 388,559,407.38/22,554.56
  6. Step 6: Final answer
    x = 17,227.54

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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.