Home / 10,911.93-15,058.97-6,435.87

Finding the Fourth Proportional to 10,911.93, 15,058.97 and 6,435.87

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Solution

The fourth proportional to 10,911.93, 15,058.97 and 6,435.87 is: 8,881.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,911.93 : 15,058.97 = 6,435.87 : x
  2. Step 2: Convert to fraction form
    10,911.93/15,058.97 = 6,435.87/x
  3. Step 3: Cross multiply
    10,911.93x = 15,058.97 × 6,435.87
  4. Step 4: Simplify right side
    10,911.93x = 96,917,541.07
  5. Step 5: Solve for x
    x = 96,917,541.07/10,911.93
  6. Step 6: Final answer
    x = 8,881.80

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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.