Home / 12,011.76-18,024.12-4,621.32

Finding the Fourth Proportional to 12,011.76, 18,024.12 and 4,621.32

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Solution

The fourth proportional to 12,011.76, 18,024.12 and 4,621.32 is: 6,934.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,011.76 : 18,024.12 = 4,621.32 : x
  2. Step 2: Convert to fraction form
    12,011.76/18,024.12 = 4,621.32/x
  3. Step 3: Cross multiply
    12,011.76x = 18,024.12 × 4,621.32
  4. Step 4: Simplify right side
    12,011.76x = 83,295,226.24
  5. Step 5: Solve for x
    x = 83,295,226.24/12,011.76
  6. Step 6: Final answer
    x = 6,934.47

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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.