Home / 9,019.48-13,526.70-3,821.80

Finding the Fourth Proportional to 9,019.48, 13,526.70 and 3,821.80

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Solution

The fourth proportional to 9,019.48, 13,526.70 and 3,821.80 is: 5,731.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,019.48 : 13,526.70 = 3,821.80 : x
  2. Step 2: Convert to fraction form
    9,019.48/13,526.70 = 3,821.80/x
  3. Step 3: Cross multiply
    9,019.48x = 13,526.70 × 3,821.80
  4. Step 4: Simplify right side
    9,019.48x = 51,696,342.06
  5. Step 5: Solve for x
    x = 51,696,342.06/9,019.48
  6. Step 6: Final answer
    x = 5,731.63

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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.