Home / 21,154.04-29,192.14-11,722.52

Finding the Fourth Proportional to 21,154.04, 29,192.14 and 11,722.52

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Solution

The fourth proportional to 21,154.04, 29,192.14 and 11,722.52 is: 16,176.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,154.04 : 29,192.14 = 11,722.52 : x
  2. Step 2: Convert to fraction form
    21,154.04/29,192.14 = 11,722.52/x
  3. Step 3: Cross multiply
    21,154.04x = 29,192.14 × 11,722.52
  4. Step 4: Simplify right side
    21,154.04x = 342,205,444.99
  5. Step 5: Solve for x
    x = 342,205,444.99/21,154.04
  6. Step 6: Final answer
    x = 16,176.84

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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.