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Finding the Fourth Proportional to 10,030.04, 15,066.82 and 7,843.04

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Solution

The fourth proportional to 10,030.04, 15,066.82 and 7,843.04 is: 11,781.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,030.04 : 15,066.82 = 7,843.04 : x
  2. Step 2: Convert to fraction form
    10,030.04/15,066.82 = 7,843.04/x
  3. Step 3: Cross multiply
    10,030.04x = 15,066.82 × 7,843.04
  4. Step 4: Simplify right side
    10,030.04x = 118,169,671.93
  5. Step 5: Solve for x
    x = 118,169,671.93/10,030.04
  6. Step 6: Final answer
    x = 11,781.58

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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.