Home / 22,674.85-31,290.75-12,603.20

Finding the Fourth Proportional to 22,674.85, 31,290.75 and 12,603.20

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Solution

The fourth proportional to 22,674.85, 31,290.75 and 12,603.20 is: 17,392.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,674.85 : 31,290.75 = 12,603.20 : x
  2. Step 2: Convert to fraction form
    22,674.85/31,290.75 = 12,603.20/x
  3. Step 3: Cross multiply
    22,674.85x = 31,290.75 × 12,603.20
  4. Step 4: Simplify right side
    22,674.85x = 394,363,423.95
  5. Step 5: Solve for x
    x = 394,363,423.95/22,674.85
  6. Step 6: Final answer
    x = 17,392.11

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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.