Home / 9,940.13-14,910.20-4,730.21

Finding the Fourth Proportional to 9,940.13, 14,910.20 and 4,730.21

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Solution

The fourth proportional to 9,940.13, 14,910.20 and 4,730.21 is: 7,095.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,940.13 : 14,910.20 = 4,730.21 : x
  2. Step 2: Convert to fraction form
    9,940.13/14,910.20 = 4,730.21/x
  3. Step 3: Cross multiply
    9,940.13x = 14,910.20 × 4,730.21
  4. Step 4: Simplify right side
    9,940.13x = 70,528,377.14
  5. Step 5: Solve for x
    x = 70,528,377.14/9,940.13
  6. Step 6: Final answer
    x = 7,095.32

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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.