Home / 11,487.02-15,851.99-6,451.32

Finding the Fourth Proportional to 11,487.02, 15,851.99 and 6,451.32

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Solution

The fourth proportional to 11,487.02, 15,851.99 and 6,451.32 is: 8,902.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,487.02 : 15,851.99 = 6,451.32 : x
  2. Step 2: Convert to fraction form
    11,487.02/15,851.99 = 6,451.32/x
  3. Step 3: Cross multiply
    11,487.02x = 15,851.99 × 6,451.32
  4. Step 4: Simplify right side
    11,487.02x = 102,266,276.26
  5. Step 5: Solve for x
    x = 102,266,276.26/11,487.02
  6. Step 6: Final answer
    x = 8,902.77

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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.