Home / 14,459.28-21,692.80-6,139.64

Finding the Fourth Proportional to 14,459.28, 21,692.80 and 6,139.64

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Solution

The fourth proportional to 14,459.28, 21,692.80 and 6,139.64 is: 9,211.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,459.28 : 21,692.80 = 6,139.64 : x
  2. Step 2: Convert to fraction form
    14,459.28/21,692.80 = 6,139.64/x
  3. Step 3: Cross multiply
    14,459.28x = 21,692.80 × 6,139.64
  4. Step 4: Simplify right side
    14,459.28x = 133,185,982.59
  5. Step 5: Solve for x
    x = 133,185,982.59/14,459.28
  6. Step 6: Final answer
    x = 9,211.11

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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.