Home / 15,297.04-21,110.36-9,327.36

Finding the Fourth Proportional to 15,297.04, 21,110.36 and 9,327.36

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Solution

The fourth proportional to 15,297.04, 21,110.36 and 9,327.36 is: 12,872.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,297.04 : 21,110.36 = 9,327.36 : x
  2. Step 2: Convert to fraction form
    15,297.04/21,110.36 = 9,327.36/x
  3. Step 3: Cross multiply
    15,297.04x = 21,110.36 × 9,327.36
  4. Step 4: Simplify right side
    15,297.04x = 196,903,927.45
  5. Step 5: Solve for x
    x = 196,903,927.45/15,297.04
  6. Step 6: Final answer
    x = 12,872.03

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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.