Home / 21,036.98-29,031.08-11,476.89

Finding the Fourth Proportional to 21,036.98, 29,031.08 and 11,476.89

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Solution

The fourth proportional to 21,036.98, 29,031.08 and 11,476.89 is: 15,838.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,036.98 : 29,031.08 = 11,476.89 : x
  2. Step 2: Convert to fraction form
    21,036.98/29,031.08 = 11,476.89/x
  3. Step 3: Cross multiply
    21,036.98x = 29,031.08 × 11,476.89
  4. Step 4: Simplify right side
    21,036.98x = 333,186,454.36
  5. Step 5: Solve for x
    x = 333,186,454.36/21,036.98
  6. Step 6: Final answer
    x = 15,838.14

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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.