Home / 12,934.65-19,426.59-8,038.51

Finding the Fourth Proportional to 12,934.65, 19,426.59 and 8,038.51

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Solution

The fourth proportional to 12,934.65, 19,426.59 and 8,038.51 is: 12,073.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,934.65 : 19,426.59 = 8,038.51 : x
  2. Step 2: Convert to fraction form
    12,934.65/19,426.59 = 8,038.51/x
  3. Step 3: Cross multiply
    12,934.65x = 19,426.59 × 8,038.51
  4. Step 4: Simplify right side
    12,934.65x = 156,160,837.98
  5. Step 5: Solve for x
    x = 156,160,837.98/12,934.65
  6. Step 6: Final answer
    x = 12,073.06

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.