Home / 22,713.95-31,343.69-14,215.72

Finding the Fourth Proportional to 22,713.95, 31,343.69 and 14,215.72

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Solution

The fourth proportional to 22,713.95, 31,343.69 and 14,215.72 is: 19,616.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,713.95 : 31,343.69 = 14,215.72 : x
  2. Step 2: Convert to fraction form
    22,713.95/31,343.69 = 14,215.72/x
  3. Step 3: Cross multiply
    22,713.95x = 31,343.69 × 14,215.72
  4. Step 4: Simplify right side
    22,713.95x = 445,573,077.99
  5. Step 5: Solve for x
    x = 445,573,077.99/22,713.95
  6. Step 6: Final answer
    x = 19,616.71

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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.