Home / 14,887.77-20,545.86-8,173.35

Finding the Fourth Proportional to 14,887.77, 20,545.86 and 8,173.35

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Solution

The fourth proportional to 14,887.77, 20,545.86 and 8,173.35 is: 11,279.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,887.77 : 20,545.86 = 8,173.35 : x
  2. Step 2: Convert to fraction form
    14,887.77/20,545.86 = 8,173.35/x
  3. Step 3: Cross multiply
    14,887.77x = 20,545.86 × 8,173.35
  4. Step 4: Simplify right side
    14,887.77x = 167,928,402.10
  5. Step 5: Solve for x
    x = 167,928,402.10/14,887.77
  6. Step 6: Final answer
    x = 11,279.62

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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.