Home / 9,988.84-13,785.87-6,012.10

Finding the Fourth Proportional to 9,988.84, 13,785.87 and 6,012.10

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Solution

The fourth proportional to 9,988.84, 13,785.87 and 6,012.10 is: 8,297.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,988.84 : 13,785.87 = 6,012.10 : x
  2. Step 2: Convert to fraction form
    9,988.84/13,785.87 = 6,012.10/x
  3. Step 3: Cross multiply
    9,988.84x = 13,785.87 × 6,012.10
  4. Step 4: Simplify right side
    9,988.84x = 82,882,029.03
  5. Step 5: Solve for x
    x = 82,882,029.03/9,988.84
  6. Step 6: Final answer
    x = 8,297.46

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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.