Home / 12,549.62-18,808.83-10,985.91

Finding the Fourth Proportional to 12,549.62, 18,808.83 and 10,985.91

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Solution

The fourth proportional to 12,549.62, 18,808.83 and 10,985.91 is: 16,465.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,549.62 : 18,808.83 = 10,985.91 : x
  2. Step 2: Convert to fraction form
    12,549.62/18,808.83 = 10,985.91/x
  3. Step 3: Cross multiply
    12,549.62x = 18,808.83 × 10,985.91
  4. Step 4: Simplify right side
    12,549.62x = 206,632,113.59
  5. Step 5: Solve for x
    x = 206,632,113.59/12,549.62
  6. Step 6: Final answer
    x = 16,465.22

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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.