Home / 19,242.46-28,863.69-8,854.30

Finding the Fourth Proportional to 19,242.46, 28,863.69 and 8,854.30

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Solution

The fourth proportional to 19,242.46, 28,863.69 and 8,854.30 is: 13,281.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,242.46 : 28,863.69 = 8,854.30 : x
  2. Step 2: Convert to fraction form
    19,242.46/28,863.69 = 8,854.30/x
  3. Step 3: Cross multiply
    19,242.46x = 28,863.69 × 8,854.30
  4. Step 4: Simplify right side
    19,242.46x = 255,567,770.37
  5. Step 5: Solve for x
    x = 255,567,770.37/19,242.46
  6. Step 6: Final answer
    x = 13,281.45

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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.