Home / 18,139.40-27,176.70-14,834.60

Finding the Fourth Proportional to 18,139.40, 27,176.70 and 14,834.60

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Solution

The fourth proportional to 18,139.40, 27,176.70 and 14,834.60 is: 22,225.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,139.40 : 27,176.70 = 14,834.60 : x
  2. Step 2: Convert to fraction form
    18,139.40/27,176.70 = 14,834.60/x
  3. Step 3: Cross multiply
    18,139.40x = 27,176.70 × 14,834.60
  4. Step 4: Simplify right side
    18,139.40x = 403,155,473.82
  5. Step 5: Solve for x
    x = 403,155,473.82/18,139.40
  6. Step 6: Final answer
    x = 22,225.40

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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.