Home / 14,491.73-19,995.51-8,521.22

Finding the Fourth Proportional to 14,491.73, 19,995.51 and 8,521.22

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Solution

The fourth proportional to 14,491.73, 19,995.51 and 8,521.22 is: 11,757.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,491.73 : 19,995.51 = 8,521.22 : x
  2. Step 2: Convert to fraction form
    14,491.73/19,995.51 = 8,521.22/x
  3. Step 3: Cross multiply
    14,491.73x = 19,995.51 × 8,521.22
  4. Step 4: Simplify right side
    14,491.73x = 170,386,139.72
  5. Step 5: Solve for x
    x = 170,386,139.72/14,491.73
  6. Step 6: Final answer
    x = 11,757.47

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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.