Home / 11,055.84-15,255.90-6,274.26

Finding the Fourth Proportional to 11,055.84, 15,255.90 and 6,274.26

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Solution

The fourth proportional to 11,055.84, 15,255.90 and 6,274.26 is: 8,657.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,055.84 : 15,255.90 = 6,274.26 : x
  2. Step 2: Convert to fraction form
    11,055.84/15,255.90 = 6,274.26/x
  3. Step 3: Cross multiply
    11,055.84x = 15,255.90 × 6,274.26
  4. Step 4: Simplify right side
    11,055.84x = 95,719,483.13
  5. Step 5: Solve for x
    x = 95,719,483.13/11,055.84
  6. Step 6: Final answer
    x = 8,657.82

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.