Home / 10,801.13-16,178.20-5,242.75

Finding the Fourth Proportional to 10,801.13, 16,178.20 and 5,242.75

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Solution

The fourth proportional to 10,801.13, 16,178.20 and 5,242.75 is: 7,852.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,801.13 : 16,178.20 = 5,242.75 : x
  2. Step 2: Convert to fraction form
    10,801.13/16,178.20 = 5,242.75/x
  3. Step 3: Cross multiply
    10,801.13x = 16,178.20 × 5,242.75
  4. Step 4: Simplify right side
    10,801.13x = 84,818,204.50
  5. Step 5: Solve for x
    x = 84,818,204.50/10,801.13
  6. Step 6: Final answer
    x = 7,852.72

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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.