Home / 15,477.51-23,216.30-5,616.79

Finding the Fourth Proportional to 15,477.51, 23,216.30 and 5,616.79

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Solution

The fourth proportional to 15,477.51, 23,216.30 and 5,616.79 is: 8,425.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,477.51 : 23,216.30 = 5,616.79 : x
  2. Step 2: Convert to fraction form
    15,477.51/23,216.30 = 5,616.79/x
  3. Step 3: Cross multiply
    15,477.51x = 23,216.30 × 5,616.79
  4. Step 4: Simplify right side
    15,477.51x = 130,401,081.68
  5. Step 5: Solve for x
    x = 130,401,081.68/15,477.51
  6. Step 6: Final answer
    x = 8,425.20

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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.