Home / 18,911.04-26,097.30-10,413

Finding the Fourth Proportional to 18,911.04, 26,097.30 and 10,413

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Solution

The fourth proportional to 18,911.04, 26,097.30 and 10,413 is: 14,369.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,911.04 : 26,097.30 = 10,413 : x
  2. Step 2: Convert to fraction form
    18,911.04/26,097.30 = 10,413/x
  3. Step 3: Cross multiply
    18,911.04x = 26,097.30 × 10,413
  4. Step 4: Simplify right side
    18,911.04x = 271,751,184.90
  5. Step 5: Solve for x
    x = 271,751,184.90/18,911.04
  6. Step 6: Final answer
    x = 14,369.98

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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.