Home / 19,165.12-26,446.44-10,780

Finding the Fourth Proportional to 19,165.12, 26,446.44 and 10,780

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Solution

The fourth proportional to 19,165.12, 26,446.44 and 10,780 is: 14,875.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,165.12 : 26,446.44 = 10,780 : x
  2. Step 2: Convert to fraction form
    19,165.12/26,446.44 = 10,780/x
  3. Step 3: Cross multiply
    19,165.12x = 26,446.44 × 10,780
  4. Step 4: Simplify right side
    19,165.12x = 285,092,623.20
  5. Step 5: Solve for x
    x = 285,092,623.20/19,165.12
  6. Step 6: Final answer
    x = 14,875.60

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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.