Home / 10,055.53-15,067.91-5,376.20

Finding the Fourth Proportional to 10,055.53, 15,067.91 and 5,376.20

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Solution

The fourth proportional to 10,055.53, 15,067.91 and 5,376.20 is: 8,056.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,055.53 : 15,067.91 = 5,376.20 : x
  2. Step 2: Convert to fraction form
    10,055.53/15,067.91 = 5,376.20/x
  3. Step 3: Cross multiply
    10,055.53x = 15,067.91 × 5,376.20
  4. Step 4: Simplify right side
    10,055.53x = 81,008,097.74
  5. Step 5: Solve for x
    x = 81,008,097.74/10,055.53
  6. Step 6: Final answer
    x = 8,056.07

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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.