Home / 21,030.68-29,019.84-11,597.36

Finding the Fourth Proportional to 21,030.68, 29,019.84 and 11,597.36

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Solution

The fourth proportional to 21,030.68, 29,019.84 and 11,597.36 is: 16,002.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,030.68 : 29,019.84 = 11,597.36 : x
  2. Step 2: Convert to fraction form
    21,030.68/29,019.84 = 11,597.36/x
  3. Step 3: Cross multiply
    21,030.68x = 29,019.84 × 11,597.36
  4. Step 4: Simplify right side
    21,030.68x = 336,553,531.62
  5. Step 5: Solve for x
    x = 336,553,531.62/21,030.68
  6. Step 6: Final answer
    x = 16,002.98

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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.