Home / 21,395.29-29,527.08-12,322.23

Finding the Fourth Proportional to 21,395.29, 29,527.08 and 12,322.23

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Solution

The fourth proportional to 21,395.29, 29,527.08 and 12,322.23 is: 17,005.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,395.29 : 29,527.08 = 12,322.23 : x
  2. Step 2: Convert to fraction form
    21,395.29/29,527.08 = 12,322.23/x
  3. Step 3: Cross multiply
    21,395.29x = 29,527.08 × 12,322.23
  4. Step 4: Simplify right side
    21,395.29x = 363,839,470.99
  5. Step 5: Solve for x
    x = 363,839,470.99/21,395.29
  6. Step 6: Final answer
    x = 17,005.59

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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.