Home / 11,639.16-16,062.12-6,859.32

Finding the Fourth Proportional to 11,639.16, 16,062.12 and 6,859.32

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Solution

The fourth proportional to 11,639.16, 16,062.12 and 6,859.32 is: 9,465.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,639.16 : 16,062.12 = 6,859.32 : x
  2. Step 2: Convert to fraction form
    11,639.16/16,062.12 = 6,859.32/x
  3. Step 3: Cross multiply
    11,639.16x = 16,062.12 × 6,859.32
  4. Step 4: Simplify right side
    11,639.16x = 110,175,220.96
  5. Step 5: Solve for x
    x = 110,175,220.96/11,639.16
  6. Step 6: Final answer
    x = 9,465.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.