Home / 21,036.33-29,013.66-13,483.35

Finding the Fourth Proportional to 21,036.33, 29,013.66 and 13,483.35

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Solution

The fourth proportional to 21,036.33, 29,013.66 and 13,483.35 is: 18,596.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,036.33 : 29,013.66 = 13,483.35 : x
  2. Step 2: Convert to fraction form
    21,036.33/29,013.66 = 13,483.35/x
  3. Step 3: Cross multiply
    21,036.33x = 29,013.66 × 13,483.35
  4. Step 4: Simplify right side
    21,036.33x = 391,201,332.56
  5. Step 5: Solve for x
    x = 391,201,332.56/21,036.33
  6. Step 6: Final answer
    x = 18,596.46

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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.