Home / 15,815.92-23,724.96-4,722.40

Finding the Fourth Proportional to 15,815.92, 23,724.96 and 4,722.40

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Solution

The fourth proportional to 15,815.92, 23,724.96 and 4,722.40 is: 7,083.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,815.92 : 23,724.96 = 4,722.40 : x
  2. Step 2: Convert to fraction form
    15,815.92/23,724.96 = 4,722.40/x
  3. Step 3: Cross multiply
    15,815.92x = 23,724.96 × 4,722.40
  4. Step 4: Simplify right side
    15,815.92x = 112,038,751.10
  5. Step 5: Solve for x
    x = 112,038,751.10/15,815.92
  6. Step 6: Final answer
    x = 7,083.92

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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.