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Finding the Fourth Proportional to 18,307.01, 25,259.43 and 10,752.95

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Solution

The fourth proportional to 18,307.01, 25,259.43 and 10,752.95 is: 14,836.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,307.01 : 25,259.43 = 10,752.95 : x
  2. Step 2: Convert to fraction form
    18,307.01/25,259.43 = 10,752.95/x
  3. Step 3: Cross multiply
    18,307.01x = 25,259.43 × 10,752.95
  4. Step 4: Simplify right side
    18,307.01x = 271,613,387.82
  5. Step 5: Solve for x
    x = 271,613,387.82/18,307.01
  6. Step 6: Final answer
    x = 14,836.58

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.