Home / 11,621.95-17,440.34-4,225.70

Finding the Fourth Proportional to 11,621.95, 17,440.34 and 4,225.70

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Solution

The fourth proportional to 11,621.95, 17,440.34 and 4,225.70 is: 6,341.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,621.95 : 17,440.34 = 4,225.70 : x
  2. Step 2: Convert to fraction form
    11,621.95/17,440.34 = 4,225.70/x
  3. Step 3: Cross multiply
    11,621.95x = 17,440.34 × 4,225.70
  4. Step 4: Simplify right side
    11,621.95x = 73,697,644.74
  5. Step 5: Solve for x
    x = 73,697,644.74/11,621.95
  6. Step 6: Final answer
    x = 6,341.25

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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.