Home / 9,719.68-13,413.24-5,470.60

Finding the Fourth Proportional to 9,719.68, 13,413.24 and 5,470.60

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Solution

The fourth proportional to 9,719.68, 13,413.24 and 5,470.60 is: 7,549.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,719.68 : 13,413.24 = 5,470.60 : x
  2. Step 2: Convert to fraction form
    9,719.68/13,413.24 = 5,470.60/x
  3. Step 3: Cross multiply
    9,719.68x = 13,413.24 × 5,470.60
  4. Step 4: Simplify right side
    9,719.68x = 73,378,470.74
  5. Step 5: Solve for x
    x = 73,378,470.74/9,719.68
  6. Step 6: Final answer
    x = 7,549.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.