Home / 12,860.24-19,289.36-5,069.12

Finding the Fourth Proportional to 12,860.24, 19,289.36 and 5,069.12

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Solution

The fourth proportional to 12,860.24, 19,289.36 and 5,069.12 is: 7,603.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,860.24 : 19,289.36 = 5,069.12 : x
  2. Step 2: Convert to fraction form
    12,860.24/19,289.36 = 5,069.12/x
  3. Step 3: Cross multiply
    12,860.24x = 19,289.36 × 5,069.12
  4. Step 4: Simplify right side
    12,860.24x = 97,780,080.56
  5. Step 5: Solve for x
    x = 97,780,080.56/12,860.24
  6. Step 6: Final answer
    x = 7,603.29

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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.