Home / 20,352.04-30,473.38-12,916.24

Finding the Fourth Proportional to 20,352.04, 30,473.38 and 12,916.24

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Solution

The fourth proportional to 20,352.04, 30,473.38 and 12,916.24 is: 19,339.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,352.04 : 30,473.38 = 12,916.24 : x
  2. Step 2: Convert to fraction form
    20,352.04/30,473.38 = 12,916.24/x
  3. Step 3: Cross multiply
    20,352.04x = 30,473.38 × 12,916.24
  4. Step 4: Simplify right side
    20,352.04x = 393,601,489.69
  5. Step 5: Solve for x
    x = 393,601,489.69/20,352.04
  6. Step 6: Final answer
    x = 19,339.66

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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.