Home / 21,177.44-29,225.04-11,746.16

Finding the Fourth Proportional to 21,177.44, 29,225.04 and 11,746.16

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Solution

The fourth proportional to 21,177.44, 29,225.04 and 11,746.16 is: 16,209.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,177.44 : 29,225.04 = 11,746.16 : x
  2. Step 2: Convert to fraction form
    21,177.44/29,225.04 = 11,746.16/x
  3. Step 3: Cross multiply
    21,177.44x = 29,225.04 × 11,746.16
  4. Step 4: Simplify right side
    21,177.44x = 343,281,995.85
  5. Step 5: Solve for x
    x = 343,281,995.85/21,177.44
  6. Step 6: Final answer
    x = 16,209.80

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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.