Home / 12,726.48-19,089.72-6,570.96

Finding the Fourth Proportional to 12,726.48, 19,089.72 and 6,570.96

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Solution

The fourth proportional to 12,726.48, 19,089.72 and 6,570.96 is: 9,856.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,726.48 : 19,089.72 = 6,570.96 : x
  2. Step 2: Convert to fraction form
    12,726.48/19,089.72 = 6,570.96/x
  3. Step 3: Cross multiply
    12,726.48x = 19,089.72 × 6,570.96
  4. Step 4: Simplify right side
    12,726.48x = 125,437,786.53
  5. Step 5: Solve for x
    x = 125,437,786.53/12,726.48
  6. Step 6: Final answer
    x = 9,856.44

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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.