Home / 14,180.80-21,242.40-11,588.80

Finding the Fourth Proportional to 14,180.80, 21,242.40 and 11,588.80

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Solution

The fourth proportional to 14,180.80, 21,242.40 and 11,588.80 is: 17,359.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,180.80 : 21,242.40 = 11,588.80 : x
  2. Step 2: Convert to fraction form
    14,180.80/21,242.40 = 11,588.80/x
  3. Step 3: Cross multiply
    14,180.80x = 21,242.40 × 11,588.80
  4. Step 4: Simplify right side
    14,180.80x = 246,173,925.12
  5. Step 5: Solve for x
    x = 246,173,925.12/14,180.80
  6. Step 6: Final answer
    x = 17,359.66

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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.