Home / 19,332.40-28,998.60-6,185.20

Finding the Fourth Proportional to 19,332.40, 28,998.60 and 6,185.20

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Solution

The fourth proportional to 19,332.40, 28,998.60 and 6,185.20 is: 9,277.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,332.40 : 28,998.60 = 6,185.20 : x
  2. Step 2: Convert to fraction form
    19,332.40/28,998.60 = 6,185.20/x
  3. Step 3: Cross multiply
    19,332.40x = 28,998.60 × 6,185.20
  4. Step 4: Simplify right side
    19,332.40x = 179,362,140.72
  5. Step 5: Solve for x
    x = 179,362,140.72/19,332.40
  6. Step 6: Final answer
    x = 9,277.80

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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.