Home / 10,378.18-15,558.02-3,802.82

Finding the Fourth Proportional to 10,378.18, 15,558.02 and 3,802.82

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Solution

The fourth proportional to 10,378.18, 15,558.02 and 3,802.82 is: 5,700.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,378.18 : 15,558.02 = 3,802.82 : x
  2. Step 2: Convert to fraction form
    10,378.18/15,558.02 = 3,802.82/x
  3. Step 3: Cross multiply
    10,378.18x = 15,558.02 × 3,802.82
  4. Step 4: Simplify right side
    10,378.18x = 59,164,330.60
  5. Step 5: Solve for x
    x = 59,164,330.60/10,378.18
  6. Step 6: Final answer
    x = 5,700.84

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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.