Home / 21,052.02-29,051.81-11,620.58

Finding the Fourth Proportional to 21,052.02, 29,051.81 and 11,620.58

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Solution

The fourth proportional to 21,052.02, 29,051.81 and 11,620.58 is: 16,036.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,052.02 : 29,051.81 = 11,620.58 : x
  2. Step 2: Convert to fraction form
    21,052.02/29,051.81 = 11,620.58/x
  3. Step 3: Cross multiply
    21,052.02x = 29,051.81 × 11,620.58
  4. Step 4: Simplify right side
    21,052.02x = 337,598,678.89
  5. Step 5: Solve for x
    x = 337,598,678.89/21,052.02
  6. Step 6: Final answer
    x = 16,036.40

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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.