Home / 13,746.67-20,623.09-4,387.23

Finding the Fourth Proportional to 13,746.67, 20,623.09 and 4,387.23

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Solution

The fourth proportional to 13,746.67, 20,623.09 and 4,387.23 is: 6,581.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,746.67 : 20,623.09 = 4,387.23 : x
  2. Step 2: Convert to fraction form
    13,746.67/20,623.09 = 4,387.23/x
  3. Step 3: Cross multiply
    13,746.67x = 20,623.09 × 4,387.23
  4. Step 4: Simplify right side
    13,746.67x = 90,478,239.14
  5. Step 5: Solve for x
    x = 90,478,239.14/13,746.67
  6. Step 6: Final answer
    x = 6,581.83

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1.5x scale

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.