Home / 17,985.04-26,965.25-8,118.93

Finding the Fourth Proportional to 17,985.04, 26,965.25 and 8,118.93

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Solution

The fourth proportional to 17,985.04, 26,965.25 and 8,118.93 is: 12,172.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,985.04 : 26,965.25 = 8,118.93 : x
  2. Step 2: Convert to fraction form
    17,985.04/26,965.25 = 8,118.93/x
  3. Step 3: Cross multiply
    17,985.04x = 26,965.25 × 8,118.93
  4. Step 4: Simplify right side
    17,985.04x = 218,929,113.82
  5. Step 5: Solve for x
    x = 218,929,113.82/17,985.04
  6. Step 6: Final answer
    x = 12,172.85

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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.