Home / 13,975.64-20,963.28-5,655.52

Finding the Fourth Proportional to 13,975.64, 20,963.28 and 5,655.52

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Solution

The fourth proportional to 13,975.64, 20,963.28 and 5,655.52 is: 8,483.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,975.64 : 20,963.28 = 5,655.52 : x
  2. Step 2: Convert to fraction form
    13,975.64/20,963.28 = 5,655.52/x
  3. Step 3: Cross multiply
    13,975.64x = 20,963.28 × 5,655.52
  4. Step 4: Simplify right side
    13,975.64x = 118,558,249.31
  5. Step 5: Solve for x
    x = 118,558,249.31/13,975.64
  6. Step 6: Final answer
    x = 8,483.21

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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.