Home / 14,272.50-21,410.10-4,912.14

Finding the Fourth Proportional to 14,272.50, 21,410.10 and 4,912.14

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Solution

The fourth proportional to 14,272.50, 21,410.10 and 4,912.14 is: 7,368.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,272.50 : 21,410.10 = 4,912.14 : x
  2. Step 2: Convert to fraction form
    14,272.50/21,410.10 = 4,912.14/x
  3. Step 3: Cross multiply
    14,272.50x = 21,410.10 × 4,912.14
  4. Step 4: Simplify right side
    14,272.50x = 105,169,408.61
  5. Step 5: Solve for x
    x = 105,169,408.61/14,272.50
  6. Step 6: Final answer
    x = 7,368.67

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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.