Home / 19,661.56-27,132.81-10,709.04

Finding the Fourth Proportional to 19,661.56, 27,132.81 and 10,709.04

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Solution

The fourth proportional to 19,661.56, 27,132.81 and 10,709.04 is: 14,778.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,661.56 : 27,132.81 = 10,709.04 : x
  2. Step 2: Convert to fraction form
    19,661.56/27,132.81 = 10,709.04/x
  3. Step 3: Cross multiply
    19,661.56x = 27,132.81 × 10,709.04
  4. Step 4: Simplify right side
    19,661.56x = 290,566,347.60
  5. Step 5: Solve for x
    x = 290,566,347.60/19,661.56
  6. Step 6: Final answer
    x = 14,778.40

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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.