Home / 20,359.39-30,521.77-9,262.19

Finding the Fourth Proportional to 20,359.39, 30,521.77 and 9,262.19

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Solution

The fourth proportional to 20,359.39, 30,521.77 and 9,262.19 is: 13,885.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,359.39 : 30,521.77 = 9,262.19 : x
  2. Step 2: Convert to fraction form
    20,359.39/30,521.77 = 9,262.19/x
  3. Step 3: Cross multiply
    20,359.39x = 30,521.77 × 9,262.19
  4. Step 4: Simplify right side
    20,359.39x = 282,698,432.88
  5. Step 5: Solve for x
    x = 282,698,432.88/20,359.39
  6. Step 6: Final answer
    x = 13,885.41

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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.