Home / 10,916.26-15,065.55-6,441.46

Finding the Fourth Proportional to 10,916.26, 15,065.55 and 6,441.46

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Solution

The fourth proportional to 10,916.26, 15,065.55 and 6,441.46 is: 8,889.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,916.26 : 15,065.55 = 6,441.46 : x
  2. Step 2: Convert to fraction form
    10,916.26/15,065.55 = 6,441.46/x
  3. Step 3: Cross multiply
    10,916.26x = 15,065.55 × 6,441.46
  4. Step 4: Simplify right side
    10,916.26x = 97,044,137.70
  5. Step 5: Solve for x
    x = 97,044,137.70/10,916.26
  6. Step 6: Final answer
    x = 8,889.87

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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.