Home / 13,219.04-19,819.72-6,972.46

Finding the Fourth Proportional to 13,219.04, 19,819.72 and 6,972.46

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Solution

The fourth proportional to 13,219.04, 19,819.72 and 6,972.46 is: 10,454.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,219.04 : 19,819.72 = 6,972.46 : x
  2. Step 2: Convert to fraction form
    13,219.04/19,819.72 = 6,972.46/x
  3. Step 3: Cross multiply
    13,219.04x = 19,819.72 × 6,972.46
  4. Step 4: Simplify right side
    13,219.04x = 138,192,204.91
  5. Step 5: Solve for x
    x = 138,192,204.91/13,219.04
  6. Step 6: Final answer
    x = 10,454.03

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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.