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Finding the Fourth Proportional to 18,851, 26,015.46 and 10,468.04

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Solution

The fourth proportional to 18,851, 26,015.46 and 10,468.04 is: 14,446.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,851 : 26,015.46 = 10,468.04 : x
  2. Step 2: Convert to fraction form
    18,851/26,015.46 = 10,468.04/x
  3. Step 3: Cross multiply
    18,851x = 26,015.46 × 10,468.04
  4. Step 4: Simplify right side
    18,851x = 272,330,875.90
  5. Step 5: Solve for x
    x = 272,330,875.90/18,851
  6. Step 6: Final answer
    x = 14,446.49

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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.