Home / 21,247.04-29,329.08-14,170.88

Finding the Fourth Proportional to 21,247.04, 29,329.08 and 14,170.88

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Solution

The fourth proportional to 21,247.04, 29,329.08 and 14,170.88 is: 19,561.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,247.04 : 29,329.08 = 14,170.88 : x
  2. Step 2: Convert to fraction form
    21,247.04/29,329.08 = 14,170.88/x
  3. Step 3: Cross multiply
    21,247.04x = 29,329.08 × 14,170.88
  4. Step 4: Simplify right side
    21,247.04x = 415,618,873.19
  5. Step 5: Solve for x
    x = 415,618,873.19/21,247.04
  6. Step 6: Final answer
    x = 19,561.26

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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.