Home / 9,312.91-13,970.04-3,469.50

Finding the Fourth Proportional to 9,312.91, 13,970.04 and 3,469.50

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Solution

The fourth proportional to 9,312.91, 13,970.04 and 3,469.50 is: 5,204.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,312.91 : 13,970.04 = 3,469.50 : x
  2. Step 2: Convert to fraction form
    9,312.91/13,970.04 = 3,469.50/x
  3. Step 3: Cross multiply
    9,312.91x = 13,970.04 × 3,469.50
  4. Step 4: Simplify right side
    9,312.91x = 48,469,040.77
  5. Step 5: Solve for x
    x = 48,469,040.77/9,312.91
  6. Step 6: Final answer
    x = 5,204.50

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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.