Home / 15,249.21-21,044.02-8,535.46

Finding the Fourth Proportional to 15,249.21, 21,044.02 and 8,535.46

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Solution

The fourth proportional to 15,249.21, 21,044.02 and 8,535.46 is: 11,779.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,249.21 : 21,044.02 = 8,535.46 : x
  2. Step 2: Convert to fraction form
    15,249.21/21,044.02 = 8,535.46/x
  3. Step 3: Cross multiply
    15,249.21x = 21,044.02 × 8,535.46
  4. Step 4: Simplify right side
    15,249.21x = 179,620,427.92
  5. Step 5: Solve for x
    x = 179,620,427.92/15,249.21
  6. Step 6: Final answer
    x = 11,779.00

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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.