Home / 10,220.25-15,240.93-10,126.83

Finding the Fourth Proportional to 10,220.25, 15,240.93 and 10,126.83

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Solution

The fourth proportional to 10,220.25, 15,240.93 and 10,126.83 is: 15,101.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,220.25 : 15,240.93 = 10,126.83 : x
  2. Step 2: Convert to fraction form
    10,220.25/15,240.93 = 10,126.83/x
  3. Step 3: Cross multiply
    10,220.25x = 15,240.93 × 10,126.83
  4. Step 4: Simplify right side
    10,220.25x = 154,342,307.15
  5. Step 5: Solve for x
    x = 154,342,307.15/10,220.25
  6. Step 6: Final answer
    x = 15,101.62

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.