Home / 13,411.17-20,108.96-8,973.91

Finding the Fourth Proportional to 13,411.17, 20,108.96 and 8,973.91

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Solution

The fourth proportional to 13,411.17, 20,108.96 and 8,973.91 is: 13,455.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,411.17 : 20,108.96 = 8,973.91 : x
  2. Step 2: Convert to fraction form
    13,411.17/20,108.96 = 8,973.91/x
  3. Step 3: Cross multiply
    13,411.17x = 20,108.96 × 8,973.91
  4. Step 4: Simplify right side
    13,411.17x = 180,455,898.04
  5. Step 5: Solve for x
    x = 180,455,898.04/13,411.17
  6. Step 6: Final answer
    x = 13,455.64

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.