Home / 11,986.66-17,931.81-10,360.66

Finding the Fourth Proportional to 11,986.66, 17,931.81 and 10,360.66

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Solution

The fourth proportional to 11,986.66, 17,931.81 and 10,360.66 is: 15,499.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,986.66 : 17,931.81 = 10,360.66 : x
  2. Step 2: Convert to fraction form
    11,986.66/17,931.81 = 10,360.66/x
  3. Step 3: Cross multiply
    11,986.66x = 17,931.81 × 10,360.66
  4. Step 4: Simplify right side
    11,986.66x = 185,785,386.59
  5. Step 5: Solve for x
    x = 185,785,386.59/11,986.66
  6. Step 6: Final answer
    x = 15,499.35

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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.