Home / 19,701.60-27,188.85-10,749.99

Finding the Fourth Proportional to 19,701.60, 27,188.85 and 10,749.99

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Solution

The fourth proportional to 19,701.60, 27,188.85 and 10,749.99 is: 14,835.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,701.60 : 27,188.85 = 10,749.99 : x
  2. Step 2: Convert to fraction form
    19,701.60/27,188.85 = 10,749.99/x
  3. Step 3: Cross multiply
    19,701.60x = 27,188.85 × 10,749.99
  4. Step 4: Simplify right side
    19,701.60x = 292,279,865.61
  5. Step 5: Solve for x
    x = 292,279,865.61/19,701.60
  6. Step 6: Final answer
    x = 14,835.34

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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.