Home / 10,860.78-14,984.39-6,080.02

Finding the Fourth Proportional to 10,860.78, 14,984.39 and 6,080.02

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Solution

The fourth proportional to 10,860.78, 14,984.39 and 6,080.02 is: 8,388.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,860.78 : 14,984.39 = 6,080.02 : x
  2. Step 2: Convert to fraction form
    10,860.78/14,984.39 = 6,080.02/x
  3. Step 3: Cross multiply
    10,860.78x = 14,984.39 × 6,080.02
  4. Step 4: Simplify right side
    10,860.78x = 91,105,410.77
  5. Step 5: Solve for x
    x = 91,105,410.77/10,860.78
  6. Step 6: Final answer
    x = 8,388.48

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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.