Home / 16,694.31-23,038.80-9,140.19

Finding the Fourth Proportional to 16,694.31, 23,038.80 and 9,140.19

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Solution

The fourth proportional to 16,694.31, 23,038.80 and 9,140.19 is: 12,613.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,694.31 : 23,038.80 = 9,140.19 : x
  2. Step 2: Convert to fraction form
    16,694.31/23,038.80 = 9,140.19/x
  3. Step 3: Cross multiply
    16,694.31x = 23,038.80 × 9,140.19
  4. Step 4: Simplify right side
    16,694.31x = 210,579,009.37
  5. Step 5: Solve for x
    x = 210,579,009.37/16,694.31
  6. Step 6: Final answer
    x = 12,613.82

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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.