Home / 19,037.90-28,568.67-9,178.18

Finding the Fourth Proportional to 19,037.90, 28,568.67 and 9,178.18

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Solution

The fourth proportional to 19,037.90, 28,568.67 and 9,178.18 is: 13,772.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,037.90 : 28,568.67 = 9,178.18 : x
  2. Step 2: Convert to fraction form
    19,037.90/28,568.67 = 9,178.18/x
  3. Step 3: Cross multiply
    19,037.90x = 28,568.67 × 9,178.18
  4. Step 4: Simplify right side
    19,037.90x = 262,208,289.78
  5. Step 5: Solve for x
    x = 262,208,289.78/19,037.90
  6. Step 6: Final answer
    x = 13,772.96

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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.