Home / 18,829.19-28,225.76-6,979.77

Finding the Fourth Proportional to 18,829.19, 28,225.76 and 6,979.77

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Solution

The fourth proportional to 18,829.19, 28,225.76 and 6,979.77 is: 10,462.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,829.19 : 28,225.76 = 6,979.77 : x
  2. Step 2: Convert to fraction form
    18,829.19/28,225.76 = 6,979.77/x
  3. Step 3: Cross multiply
    18,829.19x = 28,225.76 × 6,979.77
  4. Step 4: Simplify right side
    18,829.19x = 197,009,277.98
  5. Step 5: Solve for x
    x = 197,009,277.98/18,829.19
  6. Step 6: Final answer
    x = 10,462.97

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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.