Home / 10,270.02-15,324.36-9,643.08

Finding the Fourth Proportional to 10,270.02, 15,324.36 and 9,643.08

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Solution

The fourth proportional to 10,270.02, 15,324.36 and 9,643.08 is: 14,388.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,270.02 : 15,324.36 = 9,643.08 : x
  2. Step 2: Convert to fraction form
    10,270.02/15,324.36 = 9,643.08/x
  3. Step 3: Cross multiply
    10,270.02x = 15,324.36 × 9,643.08
  4. Step 4: Simplify right side
    10,270.02x = 147,774,029.43
  5. Step 5: Solve for x
    x = 147,774,029.43/10,270.02
  6. Step 6: Final answer
    x = 14,388.87

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.