Home / 21,298.92-31,954.14-6,507.44

Finding the Fourth Proportional to 21,298.92, 31,954.14 and 6,507.44

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Solution

The fourth proportional to 21,298.92, 31,954.14 and 6,507.44 is: 9,762.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,298.92 : 31,954.14 = 6,507.44 : x
  2. Step 2: Convert to fraction form
    21,298.92/31,954.14 = 6,507.44/x
  3. Step 3: Cross multiply
    21,298.92x = 31,954.14 × 6,507.44
  4. Step 4: Simplify right side
    21,298.92x = 207,939,496.44
  5. Step 5: Solve for x
    x = 207,939,496.44/21,298.92
  6. Step 6: Final answer
    x = 9,762.91

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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.