Home / 11,477.24-15,837.32-7,002.20

Finding the Fourth Proportional to 11,477.24, 15,837.32 and 7,002.20

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Solution

The fourth proportional to 11,477.24, 15,837.32 and 7,002.20 is: 9,662.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,477.24 : 15,837.32 = 7,002.20 : x
  2. Step 2: Convert to fraction form
    11,477.24/15,837.32 = 7,002.20/x
  3. Step 3: Cross multiply
    11,477.24x = 15,837.32 × 7,002.20
  4. Step 4: Simplify right side
    11,477.24x = 110,896,082.10
  5. Step 5: Solve for x
    x = 110,896,082.10/11,477.24
  6. Step 6: Final answer
    x = 9,662.26

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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.