Home / 11,258.64-15,526.80-7,275.56

Finding the Fourth Proportional to 11,258.64, 15,526.80 and 7,275.56

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Solution

The fourth proportional to 11,258.64, 15,526.80 and 7,275.56 is: 10,033.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,258.64 : 15,526.80 = 7,275.56 : x
  2. Step 2: Convert to fraction form
    11,258.64/15,526.80 = 7,275.56/x
  3. Step 3: Cross multiply
    11,258.64x = 15,526.80 × 7,275.56
  4. Step 4: Simplify right side
    11,258.64x = 112,966,087.37
  5. Step 5: Solve for x
    x = 112,966,087.37/11,258.64
  6. Step 6: Final answer
    x = 10,033.72

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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.