Home / 9,722.62-13,412.55-6,363.96

Finding the Fourth Proportional to 9,722.62, 13,412.55 and 6,363.96

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Solution

The fourth proportional to 9,722.62, 13,412.55 and 6,363.96 is: 8,779.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,722.62 : 13,412.55 = 6,363.96 : x
  2. Step 2: Convert to fraction form
    9,722.62/13,412.55 = 6,363.96/x
  3. Step 3: Cross multiply
    9,722.62x = 13,412.55 × 6,363.96
  4. Step 4: Simplify right side
    9,722.62x = 85,356,931.70
  5. Step 5: Solve for x
    x = 85,356,931.70/9,722.62
  6. Step 6: Final answer
    x = 8,779.21

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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.