Home / 19,017.68-28,503.48-9,755.60

Finding the Fourth Proportional to 19,017.68, 28,503.48 and 9,755.60

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Solution

The fourth proportional to 19,017.68, 28,503.48 and 9,755.60 is: 14,621.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,017.68 : 28,503.48 = 9,755.60 : x
  2. Step 2: Convert to fraction form
    19,017.68/28,503.48 = 9,755.60/x
  3. Step 3: Cross multiply
    19,017.68x = 28,503.48 × 9,755.60
  4. Step 4: Simplify right side
    19,017.68x = 278,068,549.49
  5. Step 5: Solve for x
    x = 278,068,549.49/19,017.68
  6. Step 6: Final answer
    x = 14,621.58

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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.