Home / 19,726.95-27,223.34-10,774.29

Finding the Fourth Proportional to 19,726.95, 27,223.34 and 10,774.29

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Solution

The fourth proportional to 19,726.95, 27,223.34 and 10,774.29 is: 14,868.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,726.95 : 27,223.34 = 10,774.29 : x
  2. Step 2: Convert to fraction form
    19,726.95/27,223.34 = 10,774.29/x
  3. Step 3: Cross multiply
    19,726.95x = 27,223.34 × 10,774.29
  4. Step 4: Simplify right side
    19,726.95x = 293,312,159.93
  5. Step 5: Solve for x
    x = 293,312,159.93/19,726.95
  6. Step 6: Final answer
    x = 14,868.60

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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.