Home / 15,322.36-21,095.98-13,075.22

Finding the Fourth Proportional to 15,322.36, 21,095.98 and 13,075.22

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Solution

The fourth proportional to 15,322.36, 21,095.98 and 13,075.22 is: 18,002.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,322.36 : 21,095.98 = 13,075.22 : x
  2. Step 2: Convert to fraction form
    15,322.36/21,095.98 = 13,075.22/x
  3. Step 3: Cross multiply
    15,322.36x = 21,095.98 × 13,075.22
  4. Step 4: Simplify right side
    15,322.36x = 275,834,609.14
  5. Step 5: Solve for x
    x = 275,834,609.14/15,322.36
  6. Step 6: Final answer
    x = 18,002.09

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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.