Home / 14,006.97-21,014.10-5,242.58

Finding the Fourth Proportional to 14,006.97, 21,014.10 and 5,242.58

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Solution

The fourth proportional to 14,006.97, 21,014.10 and 5,242.58 is: 7,865.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,006.97 : 21,014.10 = 5,242.58 : x
  2. Step 2: Convert to fraction form
    14,006.97/21,014.10 = 5,242.58/x
  3. Step 3: Cross multiply
    14,006.97x = 21,014.10 × 5,242.58
  4. Step 4: Simplify right side
    14,006.97x = 110,168,100.38
  5. Step 5: Solve for x
    x = 110,168,100.38/14,006.97
  6. Step 6: Final answer
    x = 7,865.23

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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.