Home / 14,778.48-22,171.86-6,459.24

Finding the Fourth Proportional to 14,778.48, 22,171.86 and 6,459.24

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Solution

The fourth proportional to 14,778.48, 22,171.86 and 6,459.24 is: 9,690.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,778.48 : 22,171.86 = 6,459.24 : x
  2. Step 2: Convert to fraction form
    14,778.48/22,171.86 = 6,459.24/x
  3. Step 3: Cross multiply
    14,778.48x = 22,171.86 × 6,459.24
  4. Step 4: Simplify right side
    14,778.48x = 143,213,364.99
  5. Step 5: Solve for x
    x = 143,213,364.99/14,778.48
  6. Step 6: Final answer
    x = 9,690.67

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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.