Home / 12,957.91-19,460.26-6,722.23

Finding the Fourth Proportional to 12,957.91, 19,460.26 and 6,722.23

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Solution

The fourth proportional to 12,957.91, 19,460.26 and 6,722.23 is: 10,095.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,957.91 : 19,460.26 = 6,722.23 : x
  2. Step 2: Convert to fraction form
    12,957.91/19,460.26 = 6,722.23/x
  3. Step 3: Cross multiply
    12,957.91x = 19,460.26 × 6,722.23
  4. Step 4: Simplify right side
    12,957.91x = 130,816,343.58
  5. Step 5: Solve for x
    x = 130,816,343.58/12,957.91
  6. Step 6: Final answer
    x = 10,095.48

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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.