Home / 10,877.19-15,010.83-6,161.47

Finding the Fourth Proportional to 10,877.19, 15,010.83 and 6,161.47

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Solution

The fourth proportional to 10,877.19, 15,010.83 and 6,161.47 is: 8,503.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,877.19 : 15,010.83 = 6,161.47 : x
  2. Step 2: Convert to fraction form
    10,877.19/15,010.83 = 6,161.47/x
  3. Step 3: Cross multiply
    10,877.19x = 15,010.83 × 6,161.47
  4. Step 4: Simplify right side
    10,877.19x = 92,488,763.32
  5. Step 5: Solve for x
    x = 92,488,763.32/10,877.19
  6. Step 6: Final answer
    x = 8,503.00

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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.