Home / 21,014.26-31,525.13-6,975.13

Finding the Fourth Proportional to 21,014.26, 31,525.13 and 6,975.13

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Solution

The fourth proportional to 21,014.26, 31,525.13 and 6,975.13 is: 10,463.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,014.26 : 31,525.13 = 6,975.13 : x
  2. Step 2: Convert to fraction form
    21,014.26/31,525.13 = 6,975.13/x
  3. Step 3: Cross multiply
    21,014.26x = 31,525.13 × 6,975.13
  4. Step 4: Simplify right side
    21,014.26x = 219,891,880.02
  5. Step 5: Solve for x
    x = 219,891,880.02/21,014.26
  6. Step 6: Final answer
    x = 10,463.94

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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.