Home / 9,898.20-14,847.30-9,242.10

Finding the Fourth Proportional to 9,898.20, 14,847.30 and 9,242.10

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Solution

The fourth proportional to 9,898.20, 14,847.30 and 9,242.10 is: 13,863.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,898.20 : 14,847.30 = 9,242.10 : x
  2. Step 2: Convert to fraction form
    9,898.20/14,847.30 = 9,242.10/x
  3. Step 3: Cross multiply
    9,898.20x = 14,847.30 × 9,242.10
  4. Step 4: Simplify right side
    9,898.20x = 137,220,231.33
  5. Step 5: Solve for x
    x = 137,220,231.33/9,898.20
  6. Step 6: Final answer
    x = 13,863.15

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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.