Home / 17,935.20-26,916.72-12,427.16

Finding the Fourth Proportional to 17,935.20, 26,916.72 and 12,427.16

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Solution

The fourth proportional to 17,935.20, 26,916.72 and 12,427.16 is: 18,650.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,935.20 : 26,916.72 = 12,427.16 : x
  2. Step 2: Convert to fraction form
    17,935.20/26,916.72 = 12,427.16/x
  3. Step 3: Cross multiply
    17,935.20x = 26,916.72 × 12,427.16
  4. Step 4: Simplify right side
    17,935.20x = 334,498,386.12
  5. Step 5: Solve for x
    x = 334,498,386.12/17,935.20
  6. Step 6: Final answer
    x = 18,650.39

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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.