Home / 19,970.23-27,558.84-11,018.29

Finding the Fourth Proportional to 19,970.23, 27,558.84 and 11,018.29

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Solution

The fourth proportional to 19,970.23, 27,558.84 and 11,018.29 is: 15,205.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,970.23 : 27,558.84 = 11,018.29 : x
  2. Step 2: Convert to fraction form
    19,970.23/27,558.84 = 11,018.29/x
  3. Step 3: Cross multiply
    19,970.23x = 27,558.84 × 11,018.29
  4. Step 4: Simplify right side
    19,970.23x = 303,651,291.18
  5. Step 5: Solve for x
    x = 303,651,291.18/19,970.23
  6. Step 6: Final answer
    x = 15,205.20

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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.