Home / 19,707.76-27,199.52-11,750.16

Finding the Fourth Proportional to 19,707.76, 27,199.52 and 11,750.16

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Solution

The fourth proportional to 19,707.76, 27,199.52 and 11,750.16 is: 16,216.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,707.76 : 27,199.52 = 11,750.16 : x
  2. Step 2: Convert to fraction form
    19,707.76/27,199.52 = 11,750.16/x
  3. Step 3: Cross multiply
    19,707.76x = 27,199.52 × 11,750.16
  4. Step 4: Simplify right side
    19,707.76x = 319,598,711.92
  5. Step 5: Solve for x
    x = 319,598,711.92/19,707.76
  6. Step 6: Final answer
    x = 16,216.90

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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.