Home / 9,621.66-14,432.48-7,686.16

Finding the Fourth Proportional to 9,621.66, 14,432.48 and 7,686.16

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Solution

The fourth proportional to 9,621.66, 14,432.48 and 7,686.16 is: 11,529.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,621.66 : 14,432.48 = 7,686.16 : x
  2. Step 2: Convert to fraction form
    9,621.66/14,432.48 = 7,686.16/x
  3. Step 3: Cross multiply
    9,621.66x = 14,432.48 × 7,686.16
  4. Step 4: Simplify right side
    9,621.66x = 110,930,350.48
  5. Step 5: Solve for x
    x = 110,930,350.48/9,621.66
  6. Step 6: Final answer
    x = 11,529.23

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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.