Home / 14,437.68-19,911.52-9,400

Finding the Fourth Proportional to 14,437.68, 19,911.52 and 9,400

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Solution

The fourth proportional to 14,437.68, 19,911.52 and 9,400 is: 12,963.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,437.68 : 19,911.52 = 9,400 : x
  2. Step 2: Convert to fraction form
    14,437.68/19,911.52 = 9,400/x
  3. Step 3: Cross multiply
    14,437.68x = 19,911.52 × 9,400
  4. Step 4: Simplify right side
    14,437.68x = 187,168,288
  5. Step 5: Solve for x
    x = 187,168,288/14,437.68
  6. Step 6: Final answer
    x = 12,963.88

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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.