Home / 11,386.80-17,086.02-5,543.28

Finding the Fourth Proportional to 11,386.80, 17,086.02 and 5,543.28

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Solution

The fourth proportional to 11,386.80, 17,086.02 and 5,543.28 is: 8,317.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,386.80 : 17,086.02 = 5,543.28 : x
  2. Step 2: Convert to fraction form
    11,386.80/17,086.02 = 5,543.28/x
  3. Step 3: Cross multiply
    11,386.80x = 17,086.02 × 5,543.28
  4. Step 4: Simplify right side
    11,386.80x = 94,712,592.95
  5. Step 5: Solve for x
    x = 94,712,592.95/11,386.80
  6. Step 6: Final answer
    x = 8,317.75

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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.