Home / 11,038.40-15,232.86-6,322.64

Finding the Fourth Proportional to 11,038.40, 15,232.86 and 6,322.64

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Solution

The fourth proportional to 11,038.40, 15,232.86 and 6,322.64 is: 8,725.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,038.40 : 15,232.86 = 6,322.64 : x
  2. Step 2: Convert to fraction form
    11,038.40/15,232.86 = 6,322.64/x
  3. Step 3: Cross multiply
    11,038.40x = 15,232.86 × 6,322.64
  4. Step 4: Simplify right side
    11,038.40x = 96,311,889.95
  5. Step 5: Solve for x
    x = 96,311,889.95/11,038.40
  6. Step 6: Final answer
    x = 8,725.17

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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.