Home / 12,140.85-16,734.69-9,483.66

Finding the Fourth Proportional to 12,140.85, 16,734.69 and 9,483.66

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Solution

The fourth proportional to 12,140.85, 16,734.69 and 9,483.66 is: 13,072.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,140.85 : 16,734.69 = 9,483.66 : x
  2. Step 2: Convert to fraction form
    12,140.85/16,734.69 = 9,483.66/x
  3. Step 3: Cross multiply
    12,140.85x = 16,734.69 × 9,483.66
  4. Step 4: Simplify right side
    12,140.85x = 158,706,110.17
  5. Step 5: Solve for x
    x = 158,706,110.17/12,140.85
  6. Step 6: Final answer
    x = 13,072.08

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.