Home / 16,913.57-23,340.44-9,359.76

Finding the Fourth Proportional to 16,913.57, 23,340.44 and 9,359.76

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Solution

The fourth proportional to 16,913.57, 23,340.44 and 9,359.76 is: 12,916.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,913.57 : 23,340.44 = 9,359.76 : x
  2. Step 2: Convert to fraction form
    16,913.57/23,340.44 = 9,359.76/x
  3. Step 3: Cross multiply
    16,913.57x = 23,340.44 × 9,359.76
  4. Step 4: Simplify right side
    16,913.57x = 218,460,869.90
  5. Step 5: Solve for x
    x = 218,460,869.90/16,913.57
  6. Step 6: Final answer
    x = 12,916.31

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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.