Home / 65,009.20-97,506.60-18,266.80

Finding the Fourth Proportional to 65,009.20, 97,506.60 and 18,266.80

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Solution

The fourth proportional to 65,009.20, 97,506.60 and 18,266.80 is: 27,398.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,009.20 : 97,506.60 = 18,266.80 : x
  2. Step 2: Convert to fraction form
    65,009.20/97,506.60 = 18,266.80/x
  3. Step 3: Cross multiply
    65,009.20x = 97,506.60 × 18,266.80
  4. Step 4: Simplify right side
    65,009.20x = 1,781,133,560.88
  5. Step 5: Solve for x
    x = 1,781,133,560.88/65,009.20
  6. Step 6: Final answer
    x = 27,398.18

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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.