Home / 10,284.02-15,428.43-3,358.50

Finding the Fourth Proportional to 10,284.02, 15,428.43 and 3,358.50

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Solution

The fourth proportional to 10,284.02, 15,428.43 and 3,358.50 is: 5,038.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,284.02 : 15,428.43 = 3,358.50 : x
  2. Step 2: Convert to fraction form
    10,284.02/15,428.43 = 3,358.50/x
  3. Step 3: Cross multiply
    10,284.02x = 15,428.43 × 3,358.50
  4. Step 4: Simplify right side
    10,284.02x = 51,816,382.16
  5. Step 5: Solve for x
    x = 51,816,382.16/10,284.02
  6. Step 6: Final answer
    x = 5,038.53

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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.