Home / 14,279.27-21,413.58-4,916.64

Finding the Fourth Proportional to 14,279.27, 21,413.58 and 4,916.64

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Solution

The fourth proportional to 14,279.27, 21,413.58 and 4,916.64 is: 7,373.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,279.27 : 21,413.58 = 4,916.64 : x
  2. Step 2: Convert to fraction form
    14,279.27/21,413.58 = 4,916.64/x
  3. Step 3: Cross multiply
    14,279.27x = 21,413.58 × 4,916.64
  4. Step 4: Simplify right side
    14,279.27x = 105,282,863.97
  5. Step 5: Solve for x
    x = 105,282,863.97/14,279.27
  6. Step 6: Final answer
    x = 7,373.13

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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.