Home / 14,223.15-21,335.90-8,673.57

Finding the Fourth Proportional to 14,223.15, 21,335.90 and 8,673.57

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Solution

The fourth proportional to 14,223.15, 21,335.90 and 8,673.57 is: 13,011.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,223.15 : 21,335.90 = 8,673.57 : x
  2. Step 2: Convert to fraction form
    14,223.15/21,335.90 = 8,673.57/x
  3. Step 3: Cross multiply
    14,223.15x = 21,335.90 × 8,673.57
  4. Step 4: Simplify right side
    14,223.15x = 185,058,378.80
  5. Step 5: Solve for x
    x = 185,058,378.80/14,223.15
  6. Step 6: Final answer
    x = 13,011.07

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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.