Home / 19,701.87-27,188.68-10,749.56

Finding the Fourth Proportional to 19,701.87, 27,188.68 and 10,749.56

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Solution

The fourth proportional to 19,701.87, 27,188.68 and 10,749.56 is: 14,834.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,701.87 : 27,188.68 = 10,749.56 : x
  2. Step 2: Convert to fraction form
    19,701.87/27,188.68 = 10,749.56/x
  3. Step 3: Cross multiply
    19,701.87x = 27,188.68 × 10,749.56
  4. Step 4: Simplify right side
    19,701.87x = 292,266,426.61
  5. Step 5: Solve for x
    x = 292,266,426.61/19,701.87
  6. Step 6: Final answer
    x = 14,834.45

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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.