Home / 9,398.72-14,098.04-2,378.80

Finding the Fourth Proportional to 9,398.72, 14,098.04 and 2,378.80

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Solution

The fourth proportional to 9,398.72, 14,098.04 and 2,378.80 is: 3,568.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,398.72 : 14,098.04 = 2,378.80 : x
  2. Step 2: Convert to fraction form
    9,398.72/14,098.04 = 2,378.80/x
  3. Step 3: Cross multiply
    9,398.72x = 14,098.04 × 2,378.80
  4. Step 4: Simplify right side
    9,398.72x = 33,536,417.55
  5. Step 5: Solve for x
    x = 33,536,417.55/9,398.72
  6. Step 6: Final answer
    x = 3,568.19

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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.