Home / 12,679.02-19,020.96-6,357.24

Finding the Fourth Proportional to 12,679.02, 19,020.96 and 6,357.24

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Solution

The fourth proportional to 12,679.02, 19,020.96 and 6,357.24 is: 9,537.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,679.02 : 19,020.96 = 6,357.24 : x
  2. Step 2: Convert to fraction form
    12,679.02/19,020.96 = 6,357.24/x
  3. Step 3: Cross multiply
    12,679.02x = 19,020.96 × 6,357.24
  4. Step 4: Simplify right side
    12,679.02x = 120,920,807.75
  5. Step 5: Solve for x
    x = 120,920,807.75/12,679.02
  6. Step 6: Final answer
    x = 9,537.08

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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.