Home / 13,496.04-18,614.89-11,700.31

Finding the Fourth Proportional to 13,496.04, 18,614.89 and 11,700.31

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Solution

The fourth proportional to 13,496.04, 18,614.89 and 11,700.31 is: 16,138.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,496.04 : 18,614.89 = 11,700.31 : x
  2. Step 2: Convert to fraction form
    13,496.04/18,614.89 = 11,700.31/x
  3. Step 3: Cross multiply
    13,496.04x = 18,614.89 × 11,700.31
  4. Step 4: Simplify right side
    13,496.04x = 217,799,907.83
  5. Step 5: Solve for x
    x = 217,799,907.83/13,496.04
  6. Step 6: Final answer
    x = 16,138.06

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.