Home / 13,320.32-19,975.55-4,552.88

Finding the Fourth Proportional to 13,320.32, 19,975.55 and 4,552.88

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Solution

The fourth proportional to 13,320.32, 19,975.55 and 4,552.88 is: 6,827.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,320.32 : 19,975.55 = 4,552.88 : x
  2. Step 2: Convert to fraction form
    13,320.32/19,975.55 = 4,552.88/x
  3. Step 3: Cross multiply
    13,320.32x = 19,975.55 × 4,552.88
  4. Step 4: Simplify right side
    13,320.32x = 90,946,159.44
  5. Step 5: Solve for x
    x = 90,946,159.44/13,320.32
  6. Step 6: Final answer
    x = 6,827.63

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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.