Home / 13,962.21-19,271.42-8,653.87

Finding the Fourth Proportional to 13,962.21, 19,271.42 and 8,653.87

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Solution

The fourth proportional to 13,962.21, 19,271.42 and 8,653.87 is: 11,944.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,962.21 : 19,271.42 = 8,653.87 : x
  2. Step 2: Convert to fraction form
    13,962.21/19,271.42 = 8,653.87/x
  3. Step 3: Cross multiply
    13,962.21x = 19,271.42 × 8,653.87
  4. Step 4: Simplify right side
    13,962.21x = 166,772,363.40
  5. Step 5: Solve for x
    x = 166,772,363.40/13,962.21
  6. Step 6: Final answer
    x = 11,944.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.