Home / 15,643.26-23,406-10,972.38

Finding the Fourth Proportional to 15,643.26, 23,406 and 10,972.38

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Solution

The fourth proportional to 15,643.26, 23,406 and 10,972.38 is: 16,417.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,643.26 : 23,406 = 10,972.38 : x
  2. Step 2: Convert to fraction form
    15,643.26/23,406 = 10,972.38/x
  3. Step 3: Cross multiply
    15,643.26x = 23,406 × 10,972.38
  4. Step 4: Simplify right side
    15,643.26x = 256,819,526.28
  5. Step 5: Solve for x
    x = 256,819,526.28/15,643.26
  6. Step 6: Final answer
    x = 16,417.26

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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.