Home / 13,331.04-19,970.56-8,700

Finding the Fourth Proportional to 13,331.04, 19,970.56 and 8,700

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Solution

The fourth proportional to 13,331.04, 19,970.56 and 8,700 is: 13,033.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,331.04 : 19,970.56 = 8,700 : x
  2. Step 2: Convert to fraction form
    13,331.04/19,970.56 = 8,700/x
  3. Step 3: Cross multiply
    13,331.04x = 19,970.56 × 8,700
  4. Step 4: Simplify right side
    13,331.04x = 173,743,872
  5. Step 5: Solve for x
    x = 173,743,872/13,331.04
  6. Step 6: Final answer
    x = 13,033.03

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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.