Home / 9,612.16-14,411.52-4,415.20

Finding the Fourth Proportional to 9,612.16, 14,411.52 and 4,415.20

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Solution

The fourth proportional to 9,612.16, 14,411.52 and 4,415.20 is: 6,619.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,612.16 : 14,411.52 = 4,415.20 : x
  2. Step 2: Convert to fraction form
    9,612.16/14,411.52 = 4,415.20/x
  3. Step 3: Cross multiply
    9,612.16x = 14,411.52 × 4,415.20
  4. Step 4: Simplify right side
    9,612.16x = 63,629,743.10
  5. Step 5: Solve for x
    x = 63,629,743.10/9,612.16
  6. Step 6: Final answer
    x = 6,619.71

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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.