Home / 21,049.56-31,567.77-7,006.30

Finding the Fourth Proportional to 21,049.56, 31,567.77 and 7,006.30

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Solution

The fourth proportional to 21,049.56, 31,567.77 and 7,006.30 is: 10,507.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,049.56 : 31,567.77 = 7,006.30 : x
  2. Step 2: Convert to fraction form
    21,049.56/31,567.77 = 7,006.30/x
  3. Step 3: Cross multiply
    21,049.56x = 31,567.77 × 7,006.30
  4. Step 4: Simplify right side
    21,049.56x = 221,173,341.76
  5. Step 5: Solve for x
    x = 221,173,341.76/21,049.56
  6. Step 6: Final answer
    x = 10,507.27

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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.