Home / 10,887.14-15,025.64-6,411.30

Finding the Fourth Proportional to 10,887.14, 15,025.64 and 6,411.30

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Solution

The fourth proportional to 10,887.14, 15,025.64 and 6,411.30 is: 8,848.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,887.14 : 15,025.64 = 6,411.30 : x
  2. Step 2: Convert to fraction form
    10,887.14/15,025.64 = 6,411.30/x
  3. Step 3: Cross multiply
    10,887.14x = 15,025.64 × 6,411.30
  4. Step 4: Simplify right side
    10,887.14x = 96,333,853.68
  5. Step 5: Solve for x
    x = 96,333,853.68/10,887.14
  6. Step 6: Final answer
    x = 8,848.41

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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.