Home / 9,316.32-14,036.68-8,427.88

Finding the Fourth Proportional to 9,316.32, 14,036.68 and 8,427.88

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Solution

The fourth proportional to 9,316.32, 14,036.68 and 8,427.88 is: 12,698.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,316.32 : 14,036.68 = 8,427.88 : x
  2. Step 2: Convert to fraction form
    9,316.32/14,036.68 = 8,427.88/x
  3. Step 3: Cross multiply
    9,316.32x = 14,036.68 × 8,427.88
  4. Step 4: Simplify right side
    9,316.32x = 118,299,454.64
  5. Step 5: Solve for x
    x = 118,299,454.64/9,316.32
  6. Step 6: Final answer
    x = 12,698.09

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.