Home / 15,578.64-23,377.32-6,216.72

Finding the Fourth Proportional to 15,578.64, 23,377.32 and 6,216.72

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Solution

The fourth proportional to 15,578.64, 23,377.32 and 6,216.72 is: 9,328.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,578.64 : 23,377.32 = 6,216.72 : x
  2. Step 2: Convert to fraction form
    15,578.64/23,377.32 = 6,216.72/x
  3. Step 3: Cross multiply
    15,578.64x = 23,377.32 × 6,216.72
  4. Step 4: Simplify right side
    15,578.64x = 145,330,252.79
  5. Step 5: Solve for x
    x = 145,330,252.79/15,578.64
  6. Step 6: Final answer
    x = 9,328.82

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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.