Home / 19,615.29-27,075.03-13,331.31

Finding the Fourth Proportional to 19,615.29, 27,075.03 and 13,331.31

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Solution

The fourth proportional to 19,615.29, 27,075.03 and 13,331.31 is: 18,401.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,615.29 : 27,075.03 = 13,331.31 : x
  2. Step 2: Convert to fraction form
    19,615.29/27,075.03 = 13,331.31/x
  3. Step 3: Cross multiply
    19,615.29x = 27,075.03 × 13,331.31
  4. Step 4: Simplify right side
    19,615.29x = 360,945,416.16
  5. Step 5: Solve for x
    x = 360,945,416.16/19,615.29
  6. Step 6: Final answer
    x = 18,401.23

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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.