Home / 14,559.88-20,072.29-12,312.74

Finding the Fourth Proportional to 14,559.88, 20,072.29 and 12,312.74

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Solution

The fourth proportional to 14,559.88, 20,072.29 and 12,312.74 is: 16,974.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,559.88 : 20,072.29 = 12,312.74 : x
  2. Step 2: Convert to fraction form
    14,559.88/20,072.29 = 12,312.74/x
  3. Step 3: Cross multiply
    14,559.88x = 20,072.29 × 12,312.74
  4. Step 4: Simplify right side
    14,559.88x = 247,144,887.97
  5. Step 5: Solve for x
    x = 247,144,887.97/14,559.88
  6. Step 6: Final answer
    x = 16,974.38

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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.