Home / 13,233.26-18,258.48-7,924.32

Finding the Fourth Proportional to 13,233.26, 18,258.48 and 7,924.32

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Solution

The fourth proportional to 13,233.26, 18,258.48 and 7,924.32 is: 10,933.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,233.26 : 18,258.48 = 7,924.32 : x
  2. Step 2: Convert to fraction form
    13,233.26/18,258.48 = 7,924.32/x
  3. Step 3: Cross multiply
    13,233.26x = 18,258.48 × 7,924.32
  4. Step 4: Simplify right side
    13,233.26x = 144,686,038.23
  5. Step 5: Solve for x
    x = 144,686,038.23/13,233.26
  6. Step 6: Final answer
    x = 10,933.51

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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.