Home / 21,035.98-29,030.20-11,476.03

Finding the Fourth Proportional to 21,035.98, 29,030.20 and 11,476.03

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Solution

The fourth proportional to 21,035.98, 29,030.20 and 11,476.03 is: 15,837.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,035.98 : 29,030.20 = 11,476.03 : x
  2. Step 2: Convert to fraction form
    21,035.98/29,030.20 = 11,476.03/x
  3. Step 3: Cross multiply
    21,035.98x = 29,030.20 × 11,476.03
  4. Step 4: Simplify right side
    21,035.98x = 333,151,446.11
  5. Step 5: Solve for x
    x = 333,151,446.11/21,035.98
  6. Step 6: Final answer
    x = 15,837.22

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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.