Home / 16,628.68-22,915.92-11,904.76

Finding the Fourth Proportional to 16,628.68, 22,915.92 and 11,904.76

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Solution

The fourth proportional to 16,628.68, 22,915.92 and 11,904.76 is: 16,405.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,628.68 : 22,915.92 = 11,904.76 : x
  2. Step 2: Convert to fraction form
    16,628.68/22,915.92 = 11,904.76/x
  3. Step 3: Cross multiply
    16,628.68x = 22,915.92 × 11,904.76
  4. Step 4: Simplify right side
    16,628.68x = 272,808,527.78
  5. Step 5: Solve for x
    x = 272,808,527.78/16,628.68
  6. Step 6: Final answer
    x = 16,405.90

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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.