Home / 15,938.36-21,994.51-9,224.10

Finding the Fourth Proportional to 15,938.36, 21,994.51 and 9,224.10

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Solution

The fourth proportional to 15,938.36, 21,994.51 and 9,224.10 is: 12,729.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,938.36 : 21,994.51 = 9,224.10 : x
  2. Step 2: Convert to fraction form
    15,938.36/21,994.51 = 9,224.10/x
  3. Step 3: Cross multiply
    15,938.36x = 21,994.51 × 9,224.10
  4. Step 4: Simplify right side
    15,938.36x = 202,879,586.73
  5. Step 5: Solve for x
    x = 202,879,586.73/15,938.36
  6. Step 6: Final answer
    x = 12,729.01

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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.