Home / 9,413.84-14,117.88-5,715.92

Finding the Fourth Proportional to 9,413.84, 14,117.88 and 5,715.92

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Solution

The fourth proportional to 9,413.84, 14,117.88 and 5,715.92 is: 8,572.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,413.84 : 14,117.88 = 5,715.92 : x
  2. Step 2: Convert to fraction form
    9,413.84/14,117.88 = 5,715.92/x
  3. Step 3: Cross multiply
    9,413.84x = 14,117.88 × 5,715.92
  4. Step 4: Simplify right side
    9,413.84x = 80,696,672.65
  5. Step 5: Solve for x
    x = 80,696,672.65/9,413.84
  6. Step 6: Final answer
    x = 8,572.13

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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.