Home / 19,679.48-27,157.73-10,726.86

Finding the Fourth Proportional to 19,679.48, 27,157.73 and 10,726.86

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Solution

The fourth proportional to 19,679.48, 27,157.73 and 10,726.86 is: 14,803.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,679.48 : 27,157.73 = 10,726.86 : x
  2. Step 2: Convert to fraction form
    19,679.48/27,157.73 = 10,726.86/x
  3. Step 3: Cross multiply
    19,679.48x = 27,157.73 × 10,726.86
  4. Step 4: Simplify right side
    19,679.48x = 291,317,113.99
  5. Step 5: Solve for x
    x = 291,317,113.99/19,679.48
  6. Step 6: Final answer
    x = 14,803.09

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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.