Home / 11,326.48-16,987.02-4,752.79

Finding the Fourth Proportional to 11,326.48, 16,987.02 and 4,752.79

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Solution

The fourth proportional to 11,326.48, 16,987.02 and 4,752.79 is: 7,128.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,326.48 : 16,987.02 = 4,752.79 : x
  2. Step 2: Convert to fraction form
    11,326.48/16,987.02 = 4,752.79/x
  3. Step 3: Cross multiply
    11,326.48x = 16,987.02 × 4,752.79
  4. Step 4: Simplify right side
    11,326.48x = 80,735,738.79
  5. Step 5: Solve for x
    x = 80,735,738.79/11,326.48
  6. Step 6: Final answer
    x = 7,128.05

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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.