Home / 9,931.14-14,867.55-7,836.48

Finding the Fourth Proportional to 9,931.14, 14,867.55 and 7,836.48

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Solution

The fourth proportional to 9,931.14, 14,867.55 and 7,836.48 is: 11,731.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,931.14 : 14,867.55 = 7,836.48 : x
  2. Step 2: Convert to fraction form
    9,931.14/14,867.55 = 7,836.48/x
  3. Step 3: Cross multiply
    9,931.14x = 14,867.55 × 7,836.48
  4. Step 4: Simplify right side
    9,931.14x = 116,509,258.22
  5. Step 5: Solve for x
    x = 116,509,258.22/9,931.14
  6. Step 6: Final answer
    x = 11,731.71

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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.