Home / 11,326.94-16,987.13-3,931.10

Finding the Fourth Proportional to 11,326.94, 16,987.13 and 3,931.10

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Solution

The fourth proportional to 11,326.94, 16,987.13 and 3,931.10 is: 5,895.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,326.94 : 16,987.13 = 3,931.10 : x
  2. Step 2: Convert to fraction form
    11,326.94/16,987.13 = 3,931.10/x
  3. Step 3: Cross multiply
    11,326.94x = 16,987.13 × 3,931.10
  4. Step 4: Simplify right side
    11,326.94x = 66,778,106.74
  5. Step 5: Solve for x
    x = 66,778,106.74/11,326.94
  6. Step 6: Final answer
    x = 5,895.51

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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.