Home / 9,821.28-13,543.20-7,583.52

Finding the Fourth Proportional to 9,821.28, 13,543.20 and 7,583.52

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Solution

The fourth proportional to 9,821.28, 13,543.20 and 7,583.52 is: 10,457.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,821.28 : 13,543.20 = 7,583.52 : x
  2. Step 2: Convert to fraction form
    9,821.28/13,543.20 = 7,583.52/x
  3. Step 3: Cross multiply
    9,821.28x = 13,543.20 × 7,583.52
  4. Step 4: Simplify right side
    9,821.28x = 102,705,128.06
  5. Step 5: Solve for x
    x = 102,705,128.06/9,821.28
  6. Step 6: Final answer
    x = 10,457.41

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.