Home / 14,320.08-19,764.18-8,355.24

Finding the Fourth Proportional to 14,320.08, 19,764.18 and 8,355.24

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Solution

The fourth proportional to 14,320.08, 19,764.18 and 8,355.24 is: 11,531.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,320.08 : 19,764.18 = 8,355.24 : x
  2. Step 2: Convert to fraction form
    14,320.08/19,764.18 = 8,355.24/x
  3. Step 3: Cross multiply
    14,320.08x = 19,764.18 × 8,355.24
  4. Step 4: Simplify right side
    14,320.08x = 165,134,467.30
  5. Step 5: Solve for x
    x = 165,134,467.30/14,320.08
  6. Step 6: Final answer
    x = 11,531.67

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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.