Home / 21,359.05-29,475.93-11,927.62

Finding the Fourth Proportional to 21,359.05, 29,475.93 and 11,927.62

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Solution

The fourth proportional to 21,359.05, 29,475.93 and 11,927.62 is: 16,460.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,359.05 : 29,475.93 = 11,927.62 : x
  2. Step 2: Convert to fraction form
    21,359.05/29,475.93 = 11,927.62/x
  3. Step 3: Cross multiply
    21,359.05x = 29,475.93 × 11,927.62
  4. Step 4: Simplify right side
    21,359.05x = 351,577,692.19
  5. Step 5: Solve for x
    x = 351,577,692.19/21,359.05
  6. Step 6: Final answer
    x = 16,460.36

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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.