Home / 19,539.18-26,962.44-11,472

Finding the Fourth Proportional to 19,539.18, 26,962.44 and 11,472

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Solution

The fourth proportional to 19,539.18, 26,962.44 and 11,472 is: 15,830.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,539.18 : 26,962.44 = 11,472 : x
  2. Step 2: Convert to fraction form
    19,539.18/26,962.44 = 11,472/x
  3. Step 3: Cross multiply
    19,539.18x = 26,962.44 × 11,472
  4. Step 4: Simplify right side
    19,539.18x = 309,313,111.68
  5. Step 5: Solve for x
    x = 309,313,111.68/19,539.18
  6. Step 6: Final answer
    x = 15,830.40

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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.