Home / 14,358.40-21,508.20-8,500.72

Finding the Fourth Proportional to 14,358.40, 21,508.20 and 8,500.72

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Solution

The fourth proportional to 14,358.40, 21,508.20 and 8,500.72 is: 12,733.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,358.40 : 21,508.20 = 8,500.72 : x
  2. Step 2: Convert to fraction form
    14,358.40/21,508.20 = 8,500.72/x
  3. Step 3: Cross multiply
    14,358.40x = 21,508.20 × 8,500.72
  4. Step 4: Simplify right side
    14,358.40x = 182,835,185.90
  5. Step 5: Solve for x
    x = 182,835,185.90/14,358.40
  6. Step 6: Final answer
    x = 12,733.67

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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.