Home / 15,945.71-23,918.79-5,557.46

Finding the Fourth Proportional to 15,945.71, 23,918.79 and 5,557.46

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Solution

The fourth proportional to 15,945.71, 23,918.79 and 5,557.46 is: 8,336.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,945.71 : 23,918.79 = 5,557.46 : x
  2. Step 2: Convert to fraction form
    15,945.71/23,918.79 = 5,557.46/x
  3. Step 3: Cross multiply
    15,945.71x = 23,918.79 × 5,557.46
  4. Step 4: Simplify right side
    15,945.71x = 132,927,754.46
  5. Step 5: Solve for x
    x = 132,927,754.46/15,945.71
  6. Step 6: Final answer
    x = 8,336.27

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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.