Home / 9,127.54-13,693.74-2,887.71

Finding the Fourth Proportional to 9,127.54, 13,693.74 and 2,887.71

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Solution

The fourth proportional to 9,127.54, 13,693.74 and 2,887.71 is: 4,332.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,127.54 : 13,693.74 = 2,887.71 : x
  2. Step 2: Convert to fraction form
    9,127.54/13,693.74 = 2,887.71/x
  3. Step 3: Cross multiply
    9,127.54x = 13,693.74 × 2,887.71
  4. Step 4: Simplify right side
    9,127.54x = 39,543,549.94
  5. Step 5: Solve for x
    x = 39,543,549.94/9,127.54
  6. Step 6: Final answer
    x = 4,332.33

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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.