Home / 9,869.40-14,799.30-5,482.20

Finding the Fourth Proportional to 9,869.40, 14,799.30 and 5,482.20

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Solution

The fourth proportional to 9,869.40, 14,799.30 and 5,482.20 is: 8,220.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,869.40 : 14,799.30 = 5,482.20 : x
  2. Step 2: Convert to fraction form
    9,869.40/14,799.30 = 5,482.20/x
  3. Step 3: Cross multiply
    9,869.40x = 14,799.30 × 5,482.20
  4. Step 4: Simplify right side
    9,869.40x = 81,132,722.46
  5. Step 5: Solve for x
    x = 81,132,722.46/9,869.40
  6. Step 6: Final answer
    x = 8,220.63

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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.