Home / 17,931.58-26,831.02-10,819.94

Finding the Fourth Proportional to 17,931.58, 26,831.02 and 10,819.94

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Solution

The fourth proportional to 17,931.58, 26,831.02 and 10,819.94 is: 16,189.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,931.58 : 26,831.02 = 10,819.94 : x
  2. Step 2: Convert to fraction form
    17,931.58/26,831.02 = 10,819.94/x
  3. Step 3: Cross multiply
    17,931.58x = 26,831.02 × 10,819.94
  4. Step 4: Simplify right side
    17,931.58x = 290,310,026.54
  5. Step 5: Solve for x
    x = 290,310,026.54/17,931.58
  6. Step 6: Final answer
    x = 16,189.87

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.