Home / 19,019.68-28,506.48-9,757.60

Finding the Fourth Proportional to 19,019.68, 28,506.48 and 9,757.60

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Solution

The fourth proportional to 19,019.68, 28,506.48 and 9,757.60 is: 14,624.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,019.68 : 28,506.48 = 9,757.60 : x
  2. Step 2: Convert to fraction form
    19,019.68/28,506.48 = 9,757.60/x
  3. Step 3: Cross multiply
    19,019.68x = 28,506.48 × 9,757.60
  4. Step 4: Simplify right side
    19,019.68x = 278,154,829.25
  5. Step 5: Solve for x
    x = 278,154,829.25/19,019.68
  6. Step 6: Final answer
    x = 14,624.58

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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.