Home / 21,973.08-30,322.68-11,901.27

Finding the Fourth Proportional to 21,973.08, 30,322.68 and 11,901.27

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Solution

The fourth proportional to 21,973.08, 30,322.68 and 11,901.27 is: 16,423.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,973.08 : 30,322.68 = 11,901.27 : x
  2. Step 2: Convert to fraction form
    21,973.08/30,322.68 = 11,901.27/x
  3. Step 3: Cross multiply
    21,973.08x = 30,322.68 × 11,901.27
  4. Step 4: Simplify right side
    21,973.08x = 360,878,401.80
  5. Step 5: Solve for x
    x = 360,878,401.80/21,973.08
  6. Step 6: Final answer
    x = 16,423.66

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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.