Home / 11,155.53-15,395.93-6,376.25

Finding the Fourth Proportional to 11,155.53, 15,395.93 and 6,376.25

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Solution

The fourth proportional to 11,155.53, 15,395.93 and 6,376.25 is: 8,799.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,155.53 : 15,395.93 = 6,376.25 : x
  2. Step 2: Convert to fraction form
    11,155.53/15,395.93 = 6,376.25/x
  3. Step 3: Cross multiply
    11,155.53x = 15,395.93 × 6,376.25
  4. Step 4: Simplify right side
    11,155.53x = 98,168,298.66
  5. Step 5: Solve for x
    x = 98,168,298.66/11,155.53
  6. Step 6: Final answer
    x = 8,799.97

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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.