Home / 19,324.65-28,937.77-12,730.85

Finding the Fourth Proportional to 19,324.65, 28,937.77 and 12,730.85

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Solution

The fourth proportional to 19,324.65, 28,937.77 and 12,730.85 is: 19,063.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,324.65 : 28,937.77 = 12,730.85 : x
  2. Step 2: Convert to fraction form
    19,324.65/28,937.77 = 12,730.85/x
  3. Step 3: Cross multiply
    19,324.65x = 28,937.77 × 12,730.85
  4. Step 4: Simplify right side
    19,324.65x = 368,402,277.72
  5. Step 5: Solve for x
    x = 368,402,277.72/19,324.65
  6. Step 6: Final answer
    x = 19,063.85

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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.