Home / 19,942.63-27,521.02-10,990.46

Finding the Fourth Proportional to 19,942.63, 27,521.02 and 10,990.46

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Solution

The fourth proportional to 19,942.63, 27,521.02 and 10,990.46 is: 15,166.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,942.63 : 27,521.02 = 10,990.46 : x
  2. Step 2: Convert to fraction form
    19,942.63/27,521.02 = 10,990.46/x
  3. Step 3: Cross multiply
    19,942.63x = 27,521.02 × 10,990.46
  4. Step 4: Simplify right side
    19,942.63x = 302,468,669.47
  5. Step 5: Solve for x
    x = 302,468,669.47/19,942.63
  6. Step 6: Final answer
    x = 15,166.94

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.