Home / 22,929.20-34,403.68-12,406.62

Finding the Fourth Proportional to 22,929.20, 34,403.68 and 12,406.62

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Solution

The fourth proportional to 22,929.20, 34,403.68 and 12,406.62 is: 18,615.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,929.20 : 34,403.68 = 12,406.62 : x
  2. Step 2: Convert to fraction form
    22,929.20/34,403.68 = 12,406.62/x
  3. Step 3: Cross multiply
    22,929.20x = 34,403.68 × 12,406.62
  4. Step 4: Simplify right side
    22,929.20x = 426,833,384.36
  5. Step 5: Solve for x
    x = 426,833,384.36/22,929.20
  6. Step 6: Final answer
    x = 18,615.28

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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.