Home / 14,636.40-21,943.80-6,309.60

Finding the Fourth Proportional to 14,636.40, 21,943.80 and 6,309.60

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Solution

The fourth proportional to 14,636.40, 21,943.80 and 6,309.60 is: 9,459.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,636.40 : 21,943.80 = 6,309.60 : x
  2. Step 2: Convert to fraction form
    14,636.40/21,943.80 = 6,309.60/x
  3. Step 3: Cross multiply
    14,636.40x = 21,943.80 × 6,309.60
  4. Step 4: Simplify right side
    14,636.40x = 138,456,600.48
  5. Step 5: Solve for x
    x = 138,456,600.48/14,636.40
  6. Step 6: Final answer
    x = 9,459.74

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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.