Home / 14,257.89-21,369.02-6,860.36

Finding the Fourth Proportional to 14,257.89, 21,369.02 and 6,860.36

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Solution

The fourth proportional to 14,257.89, 21,369.02 and 6,860.36 is: 10,281.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,257.89 : 21,369.02 = 6,860.36 : x
  2. Step 2: Convert to fraction form
    14,257.89/21,369.02 = 6,860.36/x
  3. Step 3: Cross multiply
    14,257.89x = 21,369.02 × 6,860.36
  4. Step 4: Simplify right side
    14,257.89x = 146,599,189.17
  5. Step 5: Solve for x
    x = 146,599,189.17/14,257.89
  6. Step 6: Final answer
    x = 10,281.97

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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.