Home / 21,055.16-29,055.35-11,623.52

Finding the Fourth Proportional to 21,055.16, 29,055.35 and 11,623.52

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Solution

The fourth proportional to 21,055.16, 29,055.35 and 11,623.52 is: 16,040.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,055.16 : 29,055.35 = 11,623.52 : x
  2. Step 2: Convert to fraction form
    21,055.16/29,055.35 = 11,623.52/x
  3. Step 3: Cross multiply
    21,055.16x = 29,055.35 × 11,623.52
  4. Step 4: Simplify right side
    21,055.16x = 337,725,238.44
  5. Step 5: Solve for x
    x = 337,725,238.44/21,055.16
  6. Step 6: Final answer
    x = 16,040.03

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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.