Home / 12,559.84-18,802.96-6,622.80

Finding the Fourth Proportional to 12,559.84, 18,802.96 and 6,622.80

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Solution

The fourth proportional to 12,559.84, 18,802.96 and 6,622.80 is: 9,914.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,559.84 : 18,802.96 = 6,622.80 : x
  2. Step 2: Convert to fraction form
    12,559.84/18,802.96 = 6,622.80/x
  3. Step 3: Cross multiply
    12,559.84x = 18,802.96 × 6,622.80
  4. Step 4: Simplify right side
    12,559.84x = 124,528,243.49
  5. Step 5: Solve for x
    x = 124,528,243.49/12,559.84
  6. Step 6: Final answer
    x = 9,914.80

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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.