Home / 15,140.57-22,710.96-5,778.06

Finding the Fourth Proportional to 15,140.57, 22,710.96 and 5,778.06

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Solution

The fourth proportional to 15,140.57, 22,710.96 and 5,778.06 is: 8,667.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,140.57 : 22,710.96 = 5,778.06 : x
  2. Step 2: Convert to fraction form
    15,140.57/22,710.96 = 5,778.06/x
  3. Step 3: Cross multiply
    15,140.57x = 22,710.96 × 5,778.06
  4. Step 4: Simplify right side
    15,140.57x = 131,225,289.54
  5. Step 5: Solve for x
    x = 131,225,289.54/15,140.57
  6. Step 6: Final answer
    x = 8,667.13

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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.