Home / 19,818.63-27,349.94-10,865.94

Finding the Fourth Proportional to 19,818.63, 27,349.94 and 10,865.94

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Solution

The fourth proportional to 19,818.63, 27,349.94 and 10,865.94 is: 14,995.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,818.63 : 27,349.94 = 10,865.94 : x
  2. Step 2: Convert to fraction form
    19,818.63/27,349.94 = 10,865.94/x
  3. Step 3: Cross multiply
    19,818.63x = 27,349.94 × 10,865.94
  4. Step 4: Simplify right side
    19,818.63x = 297,182,752.71
  5. Step 5: Solve for x
    x = 297,182,752.71/19,818.63
  6. Step 6: Final answer
    x = 14,995.12

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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.