Home / 9,081.08-12,513.45-6,558.74

Finding the Fourth Proportional to 9,081.08, 12,513.45 and 6,558.74

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Solution

The fourth proportional to 9,081.08, 12,513.45 and 6,558.74 is: 9,037.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,081.08 : 12,513.45 = 6,558.74 : x
  2. Step 2: Convert to fraction form
    9,081.08/12,513.45 = 6,558.74/x
  3. Step 3: Cross multiply
    9,081.08x = 12,513.45 × 6,558.74
  4. Step 4: Simplify right side
    9,081.08x = 82,072,402.49
  5. Step 5: Solve for x
    x = 82,072,402.49/9,081.08
  6. Step 6: Final answer
    x = 9,037.74

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Double scale
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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.