Home / 17,219.23-23,762.51-9,665.57

Finding the Fourth Proportional to 17,219.23, 23,762.51 and 9,665.57

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Solution

The fourth proportional to 17,219.23, 23,762.51 and 9,665.57 is: 13,338.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,219.23 : 23,762.51 = 9,665.57 : x
  2. Step 2: Convert to fraction form
    17,219.23/23,762.51 = 9,665.57/x
  3. Step 3: Cross multiply
    17,219.23x = 23,762.51 × 9,665.57
  4. Step 4: Simplify right side
    17,219.23x = 229,678,238.64
  5. Step 5: Solve for x
    x = 229,678,238.64/17,219.23
  6. Step 6: Final answer
    x = 13,338.47

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1.5x scale

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.