Home / 14,981.10-22,460.85-8,409.30

Finding the Fourth Proportional to 14,981.10, 22,460.85 and 8,409.30

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Solution

The fourth proportional to 14,981.10, 22,460.85 and 8,409.30 is: 12,607.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,981.10 : 22,460.85 = 8,409.30 : x
  2. Step 2: Convert to fraction form
    14,981.10/22,460.85 = 8,409.30/x
  3. Step 3: Cross multiply
    14,981.10x = 22,460.85 × 8,409.30
  4. Step 4: Simplify right side
    14,981.10x = 188,880,025.91
  5. Step 5: Solve for x
    x = 188,880,025.91/14,981.10
  6. Step 6: Final answer
    x = 12,607.89

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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.