Home / 12,975.02-19,462.55-3,615.07

Finding the Fourth Proportional to 12,975.02, 19,462.55 and 3,615.07

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Solution

The fourth proportional to 12,975.02, 19,462.55 and 3,615.07 is: 5,422.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,975.02 : 19,462.55 = 3,615.07 : x
  2. Step 2: Convert to fraction form
    12,975.02/19,462.55 = 3,615.07/x
  3. Step 3: Cross multiply
    12,975.02x = 19,462.55 × 3,615.07
  4. Step 4: Simplify right side
    12,975.02x = 70,358,480.63
  5. Step 5: Solve for x
    x = 70,358,480.63/12,975.02
  6. Step 6: Final answer
    x = 5,422.61

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Similar ratio
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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.