Home / 10,902.12-14,954.34-10,808.40

Finding the Fourth Proportional to 10,902.12, 14,954.34 and 10,808.40

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Solution

The fourth proportional to 10,902.12, 14,954.34 and 10,808.40 is: 14,825.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,902.12 : 14,954.34 = 10,808.40 : x
  2. Step 2: Convert to fraction form
    10,902.12/14,954.34 = 10,808.40/x
  3. Step 3: Cross multiply
    10,902.12x = 14,954.34 × 10,808.40
  4. Step 4: Simplify right side
    10,902.12x = 161,632,488.46
  5. Step 5: Solve for x
    x = 161,632,488.46/10,902.12
  6. Step 6: Final answer
    x = 14,825.79

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.