Home / 18,904.48-28,358.28-5,756.96

Finding the Fourth Proportional to 18,904.48, 28,358.28 and 5,756.96

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Solution

The fourth proportional to 18,904.48, 28,358.28 and 5,756.96 is: 8,635.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,904.48 : 28,358.28 = 5,756.96 : x
  2. Step 2: Convert to fraction form
    18,904.48/28,358.28 = 5,756.96/x
  3. Step 3: Cross multiply
    18,904.48x = 28,358.28 × 5,756.96
  4. Step 4: Simplify right side
    18,904.48x = 163,257,554.52
  5. Step 5: Solve for x
    x = 163,257,554.52/18,904.48
  6. Step 6: Final answer
    x = 8,635.92

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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.