Home / 15,485.99-23,219.26-10,215.32

Finding the Fourth Proportional to 15,485.99, 23,219.26 and 10,215.32

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Solution

The fourth proportional to 15,485.99, 23,219.26 and 10,215.32 is: 15,316.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,485.99 : 23,219.26 = 10,215.32 : x
  2. Step 2: Convert to fraction form
    15,485.99/23,219.26 = 10,215.32/x
  3. Step 3: Cross multiply
    15,485.99x = 23,219.26 × 10,215.32
  4. Step 4: Simplify right side
    15,485.99x = 237,192,171.06
  5. Step 5: Solve for x
    x = 237,192,171.06/15,485.99
  6. Step 6: Final answer
    x = 15,316.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.