Home / 22,435.20-30,946.88-13,354.46

Finding the Fourth Proportional to 22,435.20, 30,946.88 and 13,354.46

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Solution

The fourth proportional to 22,435.20, 30,946.88 and 13,354.46 is: 18,421.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,435.20 : 30,946.88 = 13,354.46 : x
  2. Step 2: Convert to fraction form
    22,435.20/30,946.88 = 13,354.46/x
  3. Step 3: Cross multiply
    22,435.20x = 30,946.88 × 13,354.46
  4. Step 4: Simplify right side
    22,435.20x = 413,278,871.08
  5. Step 5: Solve for x
    x = 413,278,871.08/22,435.20
  6. Step 6: Final answer
    x = 18,421.00

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.