Home / 18,214.40-27,325.50-10,320.66

Finding the Fourth Proportional to 18,214.40, 27,325.50 and 10,320.66

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Solution

The fourth proportional to 18,214.40, 27,325.50 and 10,320.66 is: 15,483.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,214.40 : 27,325.50 = 10,320.66 : x
  2. Step 2: Convert to fraction form
    18,214.40/27,325.50 = 10,320.66/x
  3. Step 3: Cross multiply
    18,214.40x = 27,325.50 × 10,320.66
  4. Step 4: Simplify right side
    18,214.40x = 282,017,194.83
  5. Step 5: Solve for x
    x = 282,017,194.83/18,214.40
  6. Step 6: Final answer
    x = 15,483.20

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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.