Home / 10,916.58-16,374.87-3,989.46

Finding the Fourth Proportional to 10,916.58, 16,374.87 and 3,989.46

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Solution

The fourth proportional to 10,916.58, 16,374.87 and 3,989.46 is: 5,984.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,916.58 : 16,374.87 = 3,989.46 : x
  2. Step 2: Convert to fraction form
    10,916.58/16,374.87 = 3,989.46/x
  3. Step 3: Cross multiply
    10,916.58x = 16,374.87 × 3,989.46
  4. Step 4: Simplify right side
    10,916.58x = 65,326,888.87
  5. Step 5: Solve for x
    x = 65,326,888.87/10,916.58
  6. Step 6: Final answer
    x = 5,984.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.