Home / 20,230.34-30,352.80-10,374.26

Finding the Fourth Proportional to 20,230.34, 30,352.80 and 10,374.26

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Solution

The fourth proportional to 20,230.34, 30,352.80 and 10,374.26 is: 15,565.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,230.34 : 30,352.80 = 10,374.26 : x
  2. Step 2: Convert to fraction form
    20,230.34/30,352.80 = 10,374.26/x
  3. Step 3: Cross multiply
    20,230.34x = 30,352.80 × 10,374.26
  4. Step 4: Simplify right side
    20,230.34x = 314,887,838.93
  5. Step 5: Solve for x
    x = 314,887,838.93/20,230.34
  6. Step 6: Final answer
    x = 15,565.13

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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.