Home / 14,069.90-21,119.71-13,752.24

Finding the Fourth Proportional to 14,069.90, 21,119.71 and 13,752.24

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Solution

The fourth proportional to 14,069.90, 21,119.71 and 13,752.24 is: 20,642.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,069.90 : 21,119.71 = 13,752.24 : x
  2. Step 2: Convert to fraction form
    14,069.90/21,119.71 = 13,752.24/x
  3. Step 3: Cross multiply
    14,069.90x = 21,119.71 × 13,752.24
  4. Step 4: Simplify right side
    14,069.90x = 290,443,286.27
  5. Step 5: Solve for x
    x = 290,443,286.27/14,069.90
  6. Step 6: Final answer
    x = 20,642.89

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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.