Home / 12,864.84-19,267.02-6,270.36

Finding the Fourth Proportional to 12,864.84, 19,267.02 and 6,270.36

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Solution

The fourth proportional to 12,864.84, 19,267.02 and 6,270.36 is: 9,390.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,864.84 : 19,267.02 = 6,270.36 : x
  2. Step 2: Convert to fraction form
    12,864.84/19,267.02 = 6,270.36/x
  3. Step 3: Cross multiply
    12,864.84x = 19,267.02 × 6,270.36
  4. Step 4: Simplify right side
    12,864.84x = 120,811,151.53
  5. Step 5: Solve for x
    x = 120,811,151.53/12,864.84
  6. Step 6: Final answer
    x = 9,390.80

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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.