Home / 11,335.02-15,640.58-6,298.76

Finding the Fourth Proportional to 11,335.02, 15,640.58 and 6,298.76

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Solution

The fourth proportional to 11,335.02, 15,640.58 and 6,298.76 is: 8,691.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,335.02 : 15,640.58 = 6,298.76 : x
  2. Step 2: Convert to fraction form
    11,335.02/15,640.58 = 6,298.76/x
  3. Step 3: Cross multiply
    11,335.02x = 15,640.58 × 6,298.76
  4. Step 4: Simplify right side
    11,335.02x = 98,516,259.68
  5. Step 5: Solve for x
    x = 98,516,259.68/11,335.02
  6. Step 6: Final answer
    x = 8,691.32

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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 (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.