Home / 9,445.64-14,224.70-8,227.76

Finding the Fourth Proportional to 9,445.64, 14,224.70 and 8,227.76

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Solution

The fourth proportional to 9,445.64, 14,224.70 and 8,227.76 is: 12,390.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,445.64 : 14,224.70 = 8,227.76 : x
  2. Step 2: Convert to fraction form
    9,445.64/14,224.70 = 8,227.76/x
  3. Step 3: Cross multiply
    9,445.64x = 14,224.70 × 8,227.76
  4. Step 4: Simplify right side
    9,445.64x = 117,037,417.67
  5. Step 5: Solve for x
    x = 117,037,417.67/9,445.64
  6. Step 6: Final answer
    x = 12,390.63

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Half scale
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Double scale
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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.