Home / 10,910.59-15,058.56-6,434.08

Finding the Fourth Proportional to 10,910.59, 15,058.56 and 6,434.08

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Solution

The fourth proportional to 10,910.59, 15,058.56 and 6,434.08 is: 8,880.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,910.59 : 15,058.56 = 6,434.08 : x
  2. Step 2: Convert to fraction form
    10,910.59/15,058.56 = 6,434.08/x
  3. Step 3: Cross multiply
    10,910.59x = 15,058.56 × 6,434.08
  4. Step 4: Simplify right side
    10,910.59x = 96,887,979.72
  5. Step 5: Solve for x
    x = 96,887,979.72/10,910.59
  6. Step 6: Final answer
    x = 8,880.18

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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.