Home / 19,560.48-27,015.76-13,261.92

Finding the Fourth Proportional to 19,560.48, 27,015.76 and 13,261.92

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Solution

The fourth proportional to 19,560.48, 27,015.76 and 13,261.92 is: 18,316.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,560.48 : 27,015.76 = 13,261.92 : x
  2. Step 2: Convert to fraction form
    19,560.48/27,015.76 = 13,261.92/x
  3. Step 3: Cross multiply
    19,560.48x = 27,015.76 × 13,261.92
  4. Step 4: Simplify right side
    19,560.48x = 358,280,847.86
  5. Step 5: Solve for x
    x = 358,280,847.86/19,560.48
  6. Step 6: Final answer
    x = 18,316.57

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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.