Home / 14,385.28-21,589.44-7,461.76

Finding the Fourth Proportional to 14,385.28, 21,589.44 and 7,461.76

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Solution

The fourth proportional to 14,385.28, 21,589.44 and 7,461.76 is: 11,198.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,385.28 : 21,589.44 = 7,461.76 : x
  2. Step 2: Convert to fraction form
    14,385.28/21,589.44 = 7,461.76/x
  3. Step 3: Cross multiply
    14,385.28x = 21,589.44 × 7,461.76
  4. Step 4: Simplify right side
    14,385.28x = 161,095,219.81
  5. Step 5: Solve for x
    x = 161,095,219.81/14,385.28
  6. Step 6: Final answer
    x = 11,198.62

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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.