Home / 9,639.18-14,458.71-4,960.50

Finding the Fourth Proportional to 9,639.18, 14,458.71 and 4,960.50

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Solution

The fourth proportional to 9,639.18, 14,458.71 and 4,960.50 is: 7,440.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,639.18 : 14,458.71 = 4,960.50 : x
  2. Step 2: Convert to fraction form
    9,639.18/14,458.71 = 4,960.50/x
  3. Step 3: Cross multiply
    9,639.18x = 14,458.71 × 4,960.50
  4. Step 4: Simplify right side
    9,639.18x = 71,722,430.96
  5. Step 5: Solve for x
    x = 71,722,430.96/9,639.18
  6. Step 6: Final answer
    x = 7,440.72

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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.