Home / 21,463.01-29,618.84-12,031.37

Finding the Fourth Proportional to 21,463.01, 29,618.84 and 12,031.37

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Solution

The fourth proportional to 21,463.01, 29,618.84 and 12,031.37 is: 16,603.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,463.01 : 29,618.84 = 12,031.37 : x
  2. Step 2: Convert to fraction form
    21,463.01/29,618.84 = 12,031.37/x
  3. Step 3: Cross multiply
    21,463.01x = 29,618.84 × 12,031.37
  4. Step 4: Simplify right side
    21,463.01x = 356,355,162.85
  5. Step 5: Solve for x
    x = 356,355,162.85/21,463.01
  6. Step 6: Final answer
    x = 16,603.22

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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.