Home / 13,044.62-18,000.47-7,379.07

Finding the Fourth Proportional to 13,044.62, 18,000.47 and 7,379.07

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Solution

The fourth proportional to 13,044.62, 18,000.47 and 7,379.07 is: 10,182.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,044.62 : 18,000.47 = 7,379.07 : x
  2. Step 2: Convert to fraction form
    13,044.62/18,000.47 = 7,379.07/x
  3. Step 3: Cross multiply
    13,044.62x = 18,000.47 × 7,379.07
  4. Step 4: Simplify right side
    13,044.62x = 132,826,746.61
  5. Step 5: Solve for x
    x = 132,826,746.61/13,044.62
  6. Step 6: Final answer
    x = 10,182.50

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1.5x scale

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.