Home / 18,977.44-28,457.05-8,973.85

Finding the Fourth Proportional to 18,977.44, 28,457.05 and 8,973.85

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Solution

The fourth proportional to 18,977.44, 28,457.05 and 8,973.85 is: 13,456.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,977.44 : 28,457.05 = 8,973.85 : x
  2. Step 2: Convert to fraction form
    18,977.44/28,457.05 = 8,973.85/x
  3. Step 3: Cross multiply
    18,977.44x = 28,457.05 × 8,973.85
  4. Step 4: Simplify right side
    18,977.44x = 255,369,298.14
  5. Step 5: Solve for x
    x = 255,369,298.14/18,977.44
  6. Step 6: Final answer
    x = 13,456.47

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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.