Home / 21,055.02-29,055.74-11,623.38

Finding the Fourth Proportional to 21,055.02, 29,055.74 and 11,623.38

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Solution

The fourth proportional to 21,055.02, 29,055.74 and 11,623.38 is: 16,040.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,055.02 : 29,055.74 = 11,623.38 : x
  2. Step 2: Convert to fraction form
    21,055.02/29,055.74 = 11,623.38/x
  3. Step 3: Cross multiply
    21,055.02x = 29,055.74 × 11,623.38
  4. Step 4: Simplify right side
    21,055.02x = 337,725,907.20
  5. Step 5: Solve for x
    x = 337,725,907.20/21,055.02
  6. Step 6: Final answer
    x = 16,040.16

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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.