Home / 14,012.38-21,031.69-7,091.74

Finding the Fourth Proportional to 14,012.38, 21,031.69 and 7,091.74

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Solution

The fourth proportional to 14,012.38, 21,031.69 and 7,091.74 is: 10,644.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,012.38 : 21,031.69 = 7,091.74 : x
  2. Step 2: Convert to fraction form
    14,012.38/21,031.69 = 7,091.74/x
  3. Step 3: Cross multiply
    14,012.38x = 21,031.69 × 7,091.74
  4. Step 4: Simplify right side
    14,012.38x = 149,151,277.24
  5. Step 5: Solve for x
    x = 149,151,277.24/14,012.38
  6. Step 6: Final answer
    x = 10,644.25

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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.