Home / 21,923.32-30,254.14-11,851.76

Finding the Fourth Proportional to 21,923.32, 30,254.14 and 11,851.76

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Solution

The fourth proportional to 21,923.32, 30,254.14 and 11,851.76 is: 16,355.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,923.32 : 30,254.14 = 11,851.76 : x
  2. Step 2: Convert to fraction form
    21,923.32/30,254.14 = 11,851.76/x
  3. Step 3: Cross multiply
    21,923.32x = 30,254.14 × 11,851.76
  4. Step 4: Simplify right side
    21,923.32x = 358,564,806.29
  5. Step 5: Solve for x
    x = 358,564,806.29/21,923.32
  6. Step 6: Final answer
    x = 16,355.41

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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.