Home / 21,033.99-31,557.57-6,242.99

Finding the Fourth Proportional to 21,033.99, 31,557.57 and 6,242.99

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Solution

The fourth proportional to 21,033.99, 31,557.57 and 6,242.99 is: 9,366.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,033.99 : 31,557.57 = 6,242.99 : x
  2. Step 2: Convert to fraction form
    21,033.99/31,557.57 = 6,242.99/x
  3. Step 3: Cross multiply
    21,033.99x = 31,557.57 × 6,242.99
  4. Step 4: Simplify right side
    21,033.99x = 197,013,412.74
  5. Step 5: Solve for x
    x = 197,013,412.74/21,033.99
  6. Step 6: Final answer
    x = 9,366.43

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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.