Home / 13,955.05-19,258.32-7,581.64

Finding the Fourth Proportional to 13,955.05, 19,258.32 and 7,581.64

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Solution

The fourth proportional to 13,955.05, 19,258.32 and 7,581.64 is: 10,462.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,955.05 : 19,258.32 = 7,581.64 : x
  2. Step 2: Convert to fraction form
    13,955.05/19,258.32 = 7,581.64/x
  3. Step 3: Cross multiply
    13,955.05x = 19,258.32 × 7,581.64
  4. Step 4: Simplify right side
    13,955.05x = 146,009,649.24
  5. Step 5: Solve for x
    x = 146,009,649.24/13,955.05
  6. Step 6: Final answer
    x = 10,462.85

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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.