Home / 9,718.50-13,413.96-5,529.18

Finding the Fourth Proportional to 9,718.50, 13,413.96 and 5,529.18

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Solution

The fourth proportional to 9,718.50, 13,413.96 and 5,529.18 is: 7,631.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,718.50 : 13,413.96 = 5,529.18 : x
  2. Step 2: Convert to fraction form
    9,718.50/13,413.96 = 5,529.18/x
  3. Step 3: Cross multiply
    9,718.50x = 13,413.96 × 5,529.18
  4. Step 4: Simplify right side
    9,718.50x = 74,168,199.35
  5. Step 5: Solve for x
    x = 74,168,199.35/9,718.50
  6. Step 6: Final answer
    x = 7,631.65

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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.