Home / 19,318.32-28,981.82-10,433.46

Finding the Fourth Proportional to 19,318.32, 28,981.82 and 10,433.46

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Solution

The fourth proportional to 19,318.32, 28,981.82 and 10,433.46 is: 15,652.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,318.32 : 28,981.82 = 10,433.46 : x
  2. Step 2: Convert to fraction form
    19,318.32/28,981.82 = 10,433.46/x
  3. Step 3: Cross multiply
    19,318.32x = 28,981.82 × 10,433.46
  4. Step 4: Simplify right side
    19,318.32x = 302,380,659.70
  5. Step 5: Solve for x
    x = 302,380,659.70/19,318.32
  6. Step 6: Final answer
    x = 15,652.53

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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.