Home / 19,276.68-28,854.54-12,264.51

Finding the Fourth Proportional to 19,276.68, 28,854.54 and 12,264.51

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Solution

The fourth proportional to 19,276.68, 28,854.54 and 12,264.51 is: 18,358.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,276.68 : 28,854.54 = 12,264.51 : x
  2. Step 2: Convert to fraction form
    19,276.68/28,854.54 = 12,264.51/x
  3. Step 3: Cross multiply
    19,276.68x = 28,854.54 × 12,264.51
  4. Step 4: Simplify right side
    19,276.68x = 353,886,794.38
  5. Step 5: Solve for x
    x = 353,886,794.38/19,276.68
  6. Step 6: Final answer
    x = 18,358.29

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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.