Home / 15,337.26-21,165.03-8,622.63

Finding the Fourth Proportional to 15,337.26, 21,165.03 and 8,622.63

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Solution

The fourth proportional to 15,337.26, 21,165.03 and 8,622.63 is: 11,899.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,337.26 : 21,165.03 = 8,622.63 : x
  2. Step 2: Convert to fraction form
    15,337.26/21,165.03 = 8,622.63/x
  3. Step 3: Cross multiply
    15,337.26x = 21,165.03 × 8,622.63
  4. Step 4: Simplify right side
    15,337.26x = 182,498,222.63
  5. Step 5: Solve for x
    x = 182,498,222.63/15,337.26
  6. Step 6: Final answer
    x = 11,899.01

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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.