Home / 12,416.83-18,621.28-4,095.29

Finding the Fourth Proportional to 12,416.83, 18,621.28 and 4,095.29

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Solution

The fourth proportional to 12,416.83, 18,621.28 and 4,095.29 is: 6,141.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,416.83 : 18,621.28 = 4,095.29 : x
  2. Step 2: Convert to fraction form
    12,416.83/18,621.28 = 4,095.29/x
  3. Step 3: Cross multiply
    12,416.83x = 18,621.28 × 4,095.29
  4. Step 4: Simplify right side
    12,416.83x = 76,259,541.77
  5. Step 5: Solve for x
    x = 76,259,541.77/12,416.83
  6. Step 6: Final answer
    x = 6,141.63

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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.