Home / 11,287.35-16,920.95-5,360.58

Finding the Fourth Proportional to 11,287.35, 16,920.95 and 5,360.58

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Solution

The fourth proportional to 11,287.35, 16,920.95 and 5,360.58 is: 8,036.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,287.35 : 16,920.95 = 5,360.58 : x
  2. Step 2: Convert to fraction form
    11,287.35/16,920.95 = 5,360.58/x
  3. Step 3: Cross multiply
    11,287.35x = 16,920.95 × 5,360.58
  4. Step 4: Simplify right side
    11,287.35x = 90,706,079.35
  5. Step 5: Solve for x
    x = 90,706,079.35/11,287.35
  6. Step 6: Final answer
    x = 8,036.08

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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.