Home / 20,263.56-30,385.58-9,581.04

Finding the Fourth Proportional to 20,263.56, 30,385.58 and 9,581.04

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Solution

The fourth proportional to 20,263.56, 30,385.58 and 9,581.04 is: 14,366.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,263.56 : 30,385.58 = 9,581.04 : x
  2. Step 2: Convert to fraction form
    20,263.56/30,385.58 = 9,581.04/x
  3. Step 3: Cross multiply
    20,263.56x = 30,385.58 × 9,581.04
  4. Step 4: Simplify right side
    20,263.56x = 291,125,457.40
  5. Step 5: Solve for x
    x = 291,125,457.40/20,263.56
  6. Step 6: Final answer
    x = 14,366.95

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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.