Home / 19,679.95-27,158.15-10,727.45

Finding the Fourth Proportional to 19,679.95, 27,158.15 and 10,727.45

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Solution

The fourth proportional to 19,679.95, 27,158.15 and 10,727.45 is: 14,803.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,679.95 : 27,158.15 = 10,727.45 : x
  2. Step 2: Convert to fraction form
    19,679.95/27,158.15 = 10,727.45/x
  3. Step 3: Cross multiply
    19,679.95x = 27,158.15 × 10,727.45
  4. Step 4: Simplify right side
    19,679.95x = 291,337,587.25
  5. Step 5: Solve for x
    x = 291,337,587.25/19,679.95
  6. Step 6: Final answer
    x = 14,803.78

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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.