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Finding the Fourth Proportional to 20,510.04, 30,765.02 and 6,659

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Solution

The fourth proportional to 20,510.04, 30,765.02 and 6,659 is: 9,988.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,510.04 : 30,765.02 = 6,659 : x
  2. Step 2: Convert to fraction form
    20,510.04/30,765.02 = 6,659/x
  3. Step 3: Cross multiply
    20,510.04x = 30,765.02 × 6,659
  4. Step 4: Simplify right side
    20,510.04x = 204,864,268.18
  5. Step 5: Solve for x
    x = 204,864,268.18/20,510.04
  6. Step 6: Final answer
    x = 9,988.49

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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.