Home / 9,721.66-14,579.43-3,146.32

Finding the Fourth Proportional to 9,721.66, 14,579.43 and 3,146.32

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Solution

The fourth proportional to 9,721.66, 14,579.43 and 3,146.32 is: 4,718.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,721.66 : 14,579.43 = 3,146.32 : x
  2. Step 2: Convert to fraction form
    9,721.66/14,579.43 = 3,146.32/x
  3. Step 3: Cross multiply
    9,721.66x = 14,579.43 × 3,146.32
  4. Step 4: Simplify right side
    9,721.66x = 45,871,552.20
  5. Step 5: Solve for x
    x = 45,871,552.20/9,721.66
  6. Step 6: Final answer
    x = 4,718.49

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Similar ratio
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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.