Home / 14,378.40-21,581.10-7,363.62

Finding the Fourth Proportional to 14,378.40, 21,581.10 and 7,363.62

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Solution

The fourth proportional to 14,378.40, 21,581.10 and 7,363.62 is: 11,052.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,378.40 : 21,581.10 = 7,363.62 : x
  2. Step 2: Convert to fraction form
    14,378.40/21,581.10 = 7,363.62/x
  3. Step 3: Cross multiply
    14,378.40x = 21,581.10 × 7,363.62
  4. Step 4: Simplify right side
    14,378.40x = 158,915,019.58
  5. Step 5: Solve for x
    x = 158,915,019.58/14,378.40
  6. Step 6: Final answer
    x = 11,052.34

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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.