Home / 14,240.46-19,651.11-8,271.66

Finding the Fourth Proportional to 14,240.46, 19,651.11 and 8,271.66

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Solution

The fourth proportional to 14,240.46, 19,651.11 and 8,271.66 is: 11,414.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,240.46 : 19,651.11 = 8,271.66 : x
  2. Step 2: Convert to fraction form
    14,240.46/19,651.11 = 8,271.66/x
  3. Step 3: Cross multiply
    14,240.46x = 19,651.11 × 8,271.66
  4. Step 4: Simplify right side
    14,240.46x = 162,547,300.54
  5. Step 5: Solve for x
    x = 162,547,300.54/14,240.46
  6. Step 6: Final answer
    x = 11,414.47

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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.