Home / 15,787.23-23,684.10-5,399.79

Finding the Fourth Proportional to 15,787.23, 23,684.10 and 5,399.79

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Solution

The fourth proportional to 15,787.23, 23,684.10 and 5,399.79 is: 8,100.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,787.23 : 23,684.10 = 5,399.79 : x
  2. Step 2: Convert to fraction form
    15,787.23/23,684.10 = 5,399.79/x
  3. Step 3: Cross multiply
    15,787.23x = 23,684.10 × 5,399.79
  4. Step 4: Simplify right side
    15,787.23x = 127,889,166.34
  5. Step 5: Solve for x
    x = 127,889,166.34/15,787.23
  6. Step 6: Final answer
    x = 8,100.80

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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.