Home / 19,158.82-26,431.05-11,702.50

Finding the Fourth Proportional to 19,158.82, 26,431.05 and 11,702.50

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Solution

The fourth proportional to 19,158.82, 26,431.05 and 11,702.50 is: 16,144.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,158.82 : 26,431.05 = 11,702.50 : x
  2. Step 2: Convert to fraction form
    19,158.82/26,431.05 = 11,702.50/x
  3. Step 3: Cross multiply
    19,158.82x = 26,431.05 × 11,702.50
  4. Step 4: Simplify right side
    19,158.82x = 309,309,362.63
  5. Step 5: Solve for x
    x = 309,309,362.63/19,158.82
  6. Step 6: Final answer
    x = 16,144.49

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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.