Home / 19,679.24-27,156.56-10,726.55

Finding the Fourth Proportional to 19,679.24, 27,156.56 and 10,726.55

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Solution

The fourth proportional to 19,679.24, 27,156.56 and 10,726.55 is: 14,802.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,679.24 : 27,156.56 = 10,726.55 : x
  2. Step 2: Convert to fraction form
    19,679.24/27,156.56 = 10,726.55/x
  3. Step 3: Cross multiply
    19,679.24x = 27,156.56 × 10,726.55
  4. Step 4: Simplify right side
    19,679.24x = 291,296,009.25
  5. Step 5: Solve for x
    x = 291,296,009.25/19,679.24
  6. Step 6: Final answer
    x = 14,802.20

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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.