Home / 12,570.96-18,858.06-6,719.52

Finding the Fourth Proportional to 12,570.96, 18,858.06 and 6,719.52

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Solution

The fourth proportional to 12,570.96, 18,858.06 and 6,719.52 is: 10,080.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,570.96 : 18,858.06 = 6,719.52 : x
  2. Step 2: Convert to fraction form
    12,570.96/18,858.06 = 6,719.52/x
  3. Step 3: Cross multiply
    12,570.96x = 18,858.06 × 6,719.52
  4. Step 4: Simplify right side
    12,570.96x = 126,717,111.33
  5. Step 5: Solve for x
    x = 126,717,111.33/12,570.96
  6. Step 6: Final answer
    x = 10,080.15

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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.