Home / 10,877.10-15,009.89-6,161.41

Finding the Fourth Proportional to 10,877.10, 15,009.89 and 6,161.41

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Solution

The fourth proportional to 10,877.10, 15,009.89 and 6,161.41 is: 8,502.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,877.10 : 15,009.89 = 6,161.41 : x
  2. Step 2: Convert to fraction form
    10,877.10/15,009.89 = 6,161.41/x
  3. Step 3: Cross multiply
    10,877.10x = 15,009.89 × 6,161.41
  4. Step 4: Simplify right side
    10,877.10x = 92,482,074.30
  5. Step 5: Solve for x
    x = 92,482,074.30/10,877.10
  6. Step 6: Final answer
    x = 8,502.46

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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.