Home / 19,411.29-29,118.69-8,315.46

Finding the Fourth Proportional to 19,411.29, 29,118.69 and 8,315.46

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Solution

The fourth proportional to 19,411.29, 29,118.69 and 8,315.46 is: 12,473.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,411.29 : 29,118.69 = 8,315.46 : x
  2. Step 2: Convert to fraction form
    19,411.29/29,118.69 = 8,315.46/x
  3. Step 3: Cross multiply
    19,411.29x = 29,118.69 × 8,315.46
  4. Step 4: Simplify right side
    19,411.29x = 242,135,301.95
  5. Step 5: Solve for x
    x = 242,135,301.95/19,411.29
  6. Step 6: Final answer
    x = 12,473.94

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1.5x scale

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.