Home / 14,715.45-20,311.97-9,410.29

Finding the Fourth Proportional to 14,715.45, 20,311.97 and 9,410.29

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Solution

The fourth proportional to 14,715.45, 20,311.97 and 9,410.29 is: 12,989.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,715.45 : 20,311.97 = 9,410.29 : x
  2. Step 2: Convert to fraction form
    14,715.45/20,311.97 = 9,410.29/x
  3. Step 3: Cross multiply
    14,715.45x = 20,311.97 × 9,410.29
  4. Step 4: Simplify right side
    14,715.45x = 191,141,430.34
  5. Step 5: Solve for x
    x = 191,141,430.34/14,715.45
  6. Step 6: Final answer
    x = 12,989.17

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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.