Home / 11,114.64-15,325.56-10,436.76

Finding the Fourth Proportional to 11,114.64, 15,325.56 and 10,436.76

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Solution

The fourth proportional to 11,114.64, 15,325.56 and 10,436.76 is: 14,390.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,114.64 : 15,325.56 = 10,436.76 : x
  2. Step 2: Convert to fraction form
    11,114.64/15,325.56 = 10,436.76/x
  3. Step 3: Cross multiply
    11,114.64x = 15,325.56 × 10,436.76
  4. Step 4: Simplify right side
    11,114.64x = 159,949,191.59
  5. Step 5: Solve for x
    x = 159,949,191.59/11,114.64
  6. Step 6: Final answer
    x = 14,390.86

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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.