Home / 18,854.24-28,281.34-4,814.26

Finding the Fourth Proportional to 18,854.24, 28,281.34 and 4,814.26

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Solution

The fourth proportional to 18,854.24, 28,281.34 and 4,814.26 is: 7,221.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,854.24 : 28,281.34 = 4,814.26 : x
  2. Step 2: Convert to fraction form
    18,854.24/28,281.34 = 4,814.26/x
  3. Step 3: Cross multiply
    18,854.24x = 28,281.34 × 4,814.26
  4. Step 4: Simplify right side
    18,854.24x = 136,153,723.91
  5. Step 5: Solve for x
    x = 136,153,723.91/18,854.24
  6. Step 6: Final answer
    x = 7,221.38

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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.