Home / 15,780.98-23,673.74-5,247.54

Finding the Fourth Proportional to 15,780.98, 23,673.74 and 5,247.54

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Solution

The fourth proportional to 15,780.98, 23,673.74 and 5,247.54 is: 7,872.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,780.98 : 23,673.74 = 5,247.54 : x
  2. Step 2: Convert to fraction form
    15,780.98/23,673.74 = 5,247.54/x
  3. Step 3: Cross multiply
    15,780.98x = 23,673.74 × 5,247.54
  4. Step 4: Simplify right side
    15,780.98x = 124,228,871.36
  5. Step 5: Solve for x
    x = 124,228,871.36/15,780.98
  6. Step 6: Final answer
    x = 7,872.06

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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.