Home / 15,362.28-21,205.26-9,074.25

Finding the Fourth Proportional to 15,362.28, 21,205.26 and 9,074.25

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Solution

The fourth proportional to 15,362.28, 21,205.26 and 9,074.25 is: 12,525.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,362.28 : 21,205.26 = 9,074.25 : x
  2. Step 2: Convert to fraction form
    15,362.28/21,205.26 = 9,074.25/x
  3. Step 3: Cross multiply
    15,362.28x = 21,205.26 × 9,074.25
  4. Step 4: Simplify right side
    15,362.28x = 192,421,830.56
  5. Step 5: Solve for x
    x = 192,421,830.56/15,362.28
  6. Step 6: Final answer
    x = 12,525.60

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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.