Home / 9,902.70-14,862.90-5,225.76

Finding the Fourth Proportional to 9,902.70, 14,862.90 and 5,225.76

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Solution

The fourth proportional to 9,902.70, 14,862.90 and 5,225.76 is: 7,843.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,902.70 : 14,862.90 = 5,225.76 : x
  2. Step 2: Convert to fraction form
    9,902.70/14,862.90 = 5,225.76/x
  3. Step 3: Cross multiply
    9,902.70x = 14,862.90 × 5,225.76
  4. Step 4: Simplify right side
    9,902.70x = 77,669,948.30
  5. Step 5: Solve for x
    x = 77,669,948.30/9,902.70
  6. Step 6: Final answer
    x = 7,843.31

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.