Home / 17,870.50-26,805.75-12,242.62

Finding the Fourth Proportional to 17,870.50, 26,805.75 and 12,242.62

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Solution

The fourth proportional to 17,870.50, 26,805.75 and 12,242.62 is: 18,363.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,870.50 : 26,805.75 = 12,242.62 : x
  2. Step 2: Convert to fraction form
    17,870.50/26,805.75 = 12,242.62/x
  3. Step 3: Cross multiply
    17,870.50x = 26,805.75 × 12,242.62
  4. Step 4: Simplify right side
    17,870.50x = 328,172,611.07
  5. Step 5: Solve for x
    x = 328,172,611.07/17,870.50
  6. Step 6: Final answer
    x = 18,363.93

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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.