Home / 13,902.28-19,184.52-7,614.52

Finding the Fourth Proportional to 13,902.28, 19,184.52 and 7,614.52

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Solution

The fourth proportional to 13,902.28, 19,184.52 and 7,614.52 is: 10,507.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,902.28 : 19,184.52 = 7,614.52 : x
  2. Step 2: Convert to fraction form
    13,902.28/19,184.52 = 7,614.52/x
  3. Step 3: Cross multiply
    13,902.28x = 19,184.52 × 7,614.52
  4. Step 4: Simplify right side
    13,902.28x = 146,080,911.23
  5. Step 5: Solve for x
    x = 146,080,911.23/13,902.28
  6. Step 6: Final answer
    x = 10,507.69

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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.