Home / 14,621.40-21,921.30-6,294.60

Finding the Fourth Proportional to 14,621.40, 21,921.30 and 6,294.60

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Solution

The fourth proportional to 14,621.40, 21,921.30 and 6,294.60 is: 9,437.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,621.40 : 21,921.30 = 6,294.60 : x
  2. Step 2: Convert to fraction form
    14,621.40/21,921.30 = 6,294.60/x
  3. Step 3: Cross multiply
    14,621.40x = 21,921.30 × 6,294.60
  4. Step 4: Simplify right side
    14,621.40x = 137,985,814.98
  5. Step 5: Solve for x
    x = 137,985,814.98/14,621.40
  6. Step 6: Final answer
    x = 9,437.25

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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.