Home / 11,026.64-15,172.30-10,764.20

Finding the Fourth Proportional to 11,026.64, 15,172.30 and 10,764.20

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Solution

The fourth proportional to 11,026.64, 15,172.30 and 10,764.20 is: 14,811.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,026.64 : 15,172.30 = 10,764.20 : x
  2. Step 2: Convert to fraction form
    11,026.64/15,172.30 = 10,764.20/x
  3. Step 3: Cross multiply
    11,026.64x = 15,172.30 × 10,764.20
  4. Step 4: Simplify right side
    11,026.64x = 163,317,671.66
  5. Step 5: Solve for x
    x = 163,317,671.66/11,026.64
  6. Step 6: Final answer
    x = 14,811.19

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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.