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Finding the Fourth Proportional to 20,397.00, 30,588.02 and 7,066.55

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Solution

The fourth proportional to 20,397.00, 30,588.02 and 7,066.55 is: 10,597.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,397.00 : 30,588.02 = 7,066.55 : x
  2. Step 2: Convert to fraction form
    20,397.00/30,588.02 = 7,066.55/x
  3. Step 3: Cross multiply
    20,397.00x = 30,588.02 × 7,066.55
  4. Step 4: Simplify right side
    20,397.00x = 216,151,721.26
  5. Step 5: Solve for x
    x = 216,151,721.26/20,397.00
  6. Step 6: Final answer
    x = 10,597.23

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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.