Home / 19,726.70-27,222.99-10,774.04

Finding the Fourth Proportional to 19,726.70, 27,222.99 and 10,774.04

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Solution

The fourth proportional to 19,726.70, 27,222.99 and 10,774.04 is: 14,868.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,726.70 : 27,222.99 = 10,774.04 : x
  2. Step 2: Convert to fraction form
    19,726.70/27,222.99 = 10,774.04/x
  3. Step 3: Cross multiply
    19,726.70x = 27,222.99 × 10,774.04
  4. Step 4: Simplify right side
    19,726.70x = 293,301,583.18
  5. Step 5: Solve for x
    x = 293,301,583.18/19,726.70
  6. Step 6: Final answer
    x = 14,868.25

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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.