Home / 22,800.80-31,466.32-13,370.08

Finding the Fourth Proportional to 22,800.80, 31,466.32 and 13,370.08

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Solution

The fourth proportional to 22,800.80, 31,466.32 and 13,370.08 is: 18,451.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,800.80 : 31,466.32 = 13,370.08 : x
  2. Step 2: Convert to fraction form
    22,800.80/31,466.32 = 13,370.08/x
  3. Step 3: Cross multiply
    22,800.80x = 31,466.32 × 13,370.08
  4. Step 4: Simplify right side
    22,800.80x = 420,707,215.71
  5. Step 5: Solve for x
    x = 420,707,215.71/22,800.80
  6. Step 6: Final answer
    x = 18,451.42

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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.