Home / 21,686.83-29,927.59-11,750.83

Finding the Fourth Proportional to 21,686.83, 29,927.59 and 11,750.83

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Solution

The fourth proportional to 21,686.83, 29,927.59 and 11,750.83 is: 16,216.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,686.83 : 29,927.59 = 11,750.83 : x
  2. Step 2: Convert to fraction form
    21,686.83/29,927.59 = 11,750.83/x
  3. Step 3: Cross multiply
    21,686.83x = 29,927.59 × 11,750.83
  4. Step 4: Simplify right side
    21,686.83x = 351,674,022.40
  5. Step 5: Solve for x
    x = 351,674,022.40/21,686.83
  6. Step 6: Final answer
    x = 16,216.02

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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.