Home / 21,544.34-29,733.95-12,114.72

Finding the Fourth Proportional to 21,544.34, 29,733.95 and 12,114.72

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Solution

The fourth proportional to 21,544.34, 29,733.95 and 12,114.72 is: 16,719.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,544.34 : 29,733.95 = 12,114.72 : x
  2. Step 2: Convert to fraction form
    21,544.34/29,733.95 = 12,114.72/x
  3. Step 3: Cross multiply
    21,544.34x = 29,733.95 × 12,114.72
  4. Step 4: Simplify right side
    21,544.34x = 360,218,478.74
  5. Step 5: Solve for x
    x = 360,218,478.74/21,544.34
  6. Step 6: Final answer
    x = 16,719.87

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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.