Home / 15,247.77-21,042.03-8,534.02

Finding the Fourth Proportional to 15,247.77, 21,042.03 and 8,534.02

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Solution

The fourth proportional to 15,247.77, 21,042.03 and 8,534.02 is: 11,777.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,247.77 : 21,042.03 = 8,534.02 : x
  2. Step 2: Convert to fraction form
    15,247.77/21,042.03 = 8,534.02/x
  3. Step 3: Cross multiply
    15,247.77x = 21,042.03 × 8,534.02
  4. Step 4: Simplify right side
    15,247.77x = 179,573,104.86
  5. Step 5: Solve for x
    x = 179,573,104.86/15,247.77
  6. Step 6: Final answer
    x = 11,777.01

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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.