Home / 19,122.49-26,389.62-11,570.21

Finding the Fourth Proportional to 19,122.49, 26,389.62 and 11,570.21

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Solution

The fourth proportional to 19,122.49, 26,389.62 and 11,570.21 is: 15,967.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,122.49 : 26,389.62 = 11,570.21 : x
  2. Step 2: Convert to fraction form
    19,122.49/26,389.62 = 11,570.21/x
  3. Step 3: Cross multiply
    19,122.49x = 26,389.62 × 11,570.21
  4. Step 4: Simplify right side
    19,122.49x = 305,333,313.27
  5. Step 5: Solve for x
    x = 305,333,313.27/19,122.49
  6. Step 6: Final answer
    x = 15,967.24

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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.