Home / 17,685.56-26,545.80-12,992.42

Finding the Fourth Proportional to 17,685.56, 26,545.80 and 12,992.42

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Solution

The fourth proportional to 17,685.56, 26,545.80 and 12,992.42 is: 19,501.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,685.56 : 26,545.80 = 12,992.42 : x
  2. Step 2: Convert to fraction form
    17,685.56/26,545.80 = 12,992.42/x
  3. Step 3: Cross multiply
    17,685.56x = 26,545.80 × 12,992.42
  4. Step 4: Simplify right side
    17,685.56x = 344,894,182.84
  5. Step 5: Solve for x
    x = 344,894,182.84/17,685.56
  6. Step 6: Final answer
    x = 19,501.46

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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.