Home / 11,838.87-16,337.57-6,461.31

Finding the Fourth Proportional to 11,838.87, 16,337.57 and 6,461.31

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Solution

The fourth proportional to 11,838.87, 16,337.57 and 6,461.31 is: 8,916.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,838.87 : 16,337.57 = 6,461.31 : x
  2. Step 2: Convert to fraction form
    11,838.87/16,337.57 = 6,461.31/x
  3. Step 3: Cross multiply
    11,838.87x = 16,337.57 × 6,461.31
  4. Step 4: Simplify right side
    11,838.87x = 105,562,104.42
  5. Step 5: Solve for x
    x = 105,562,104.42/11,838.87
  6. Step 6: Final answer
    x = 8,916.57

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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.