Home / 20,337.95-30,495.23-10,838.57

Finding the Fourth Proportional to 20,337.95, 30,495.23 and 10,838.57

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Solution

The fourth proportional to 20,337.95, 30,495.23 and 10,838.57 is: 16,251.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,337.95 : 30,495.23 = 10,838.57 : x
  2. Step 2: Convert to fraction form
    20,337.95/30,495.23 = 10,838.57/x
  3. Step 3: Cross multiply
    20,337.95x = 30,495.23 × 10,838.57
  4. Step 4: Simplify right side
    20,337.95x = 330,524,637.14
  5. Step 5: Solve for x
    x = 330,524,637.14/20,337.95
  6. Step 6: Final answer
    x = 16,251.62

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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.