Home / 19,275.16-28,891.98-12,609.13

Finding the Fourth Proportional to 19,275.16, 28,891.98 and 12,609.13

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Solution

The fourth proportional to 19,275.16, 28,891.98 and 12,609.13 is: 18,900.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,275.16 : 28,891.98 = 12,609.13 : x
  2. Step 2: Convert to fraction form
    19,275.16/28,891.98 = 12,609.13/x
  3. Step 3: Cross multiply
    19,275.16x = 28,891.98 × 12,609.13
  4. Step 4: Simplify right side
    19,275.16x = 364,302,731.78
  5. Step 5: Solve for x
    x = 364,302,731.78/19,275.16
  6. Step 6: Final answer
    x = 18,900.11

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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.