Home / 14,267.62-19,689.90-7,894.11

Finding the Fourth Proportional to 14,267.62, 19,689.90 and 7,894.11

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Solution

The fourth proportional to 14,267.62, 19,689.90 and 7,894.11 is: 10,894.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,267.62 : 19,689.90 = 7,894.11 : x
  2. Step 2: Convert to fraction form
    14,267.62/19,689.90 = 7,894.11/x
  3. Step 3: Cross multiply
    14,267.62x = 19,689.90 × 7,894.11
  4. Step 4: Simplify right side
    14,267.62x = 155,434,236.49
  5. Step 5: Solve for x
    x = 155,434,236.49/14,267.62
  6. Step 6: Final answer
    x = 10,894.20

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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.