Home / 19,701.66-27,188.46-10,749.32

Finding the Fourth Proportional to 19,701.66, 27,188.46 and 10,749.32

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Solution

The fourth proportional to 19,701.66, 27,188.46 and 10,749.32 is: 14,834.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,701.66 : 27,188.46 = 10,749.32 : x
  2. Step 2: Convert to fraction form
    19,701.66/27,188.46 = 10,749.32/x
  3. Step 3: Cross multiply
    19,701.66x = 27,188.46 × 10,749.32
  4. Step 4: Simplify right side
    19,701.66x = 292,257,320.90
  5. Step 5: Solve for x
    x = 292,257,320.90/19,701.66
  6. Step 6: Final answer
    x = 14,834.15

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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.