Home / 8,917.35-13,368.50-5,623.19

Finding the Fourth Proportional to 8,917.35, 13,368.50 and 5,623.19

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Solution

The fourth proportional to 8,917.35, 13,368.50 and 5,623.19 is: 8,430.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,917.35 : 13,368.50 = 5,623.19 : x
  2. Step 2: Convert to fraction form
    8,917.35/13,368.50 = 5,623.19/x
  3. Step 3: Cross multiply
    8,917.35x = 13,368.50 × 5,623.19
  4. Step 4: Simplify right side
    8,917.35x = 75,173,520.56
  5. Step 5: Solve for x
    x = 75,173,520.56/8,917.35
  6. Step 6: Final answer
    x = 8,430.03

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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.