Home / 9,988.06-13,785.15-5,955.40

Finding the Fourth Proportional to 9,988.06, 13,785.15 and 5,955.40

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Solution

The fourth proportional to 9,988.06, 13,785.15 and 5,955.40 is: 8,219.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,988.06 : 13,785.15 = 5,955.40 : x
  2. Step 2: Convert to fraction form
    9,988.06/13,785.15 = 5,955.40/x
  3. Step 3: Cross multiply
    9,988.06x = 13,785.15 × 5,955.40
  4. Step 4: Simplify right side
    9,988.06x = 82,096,082.31
  5. Step 5: Solve for x
    x = 82,096,082.31/9,988.06
  6. Step 6: Final answer
    x = 8,219.42

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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.