Home / 11,258.46-15,522.24-7,715.52

Finding the Fourth Proportional to 11,258.46, 15,522.24 and 7,715.52

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Solution

The fourth proportional to 11,258.46, 15,522.24 and 7,715.52 is: 10,637.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,258.46 : 15,522.24 = 7,715.52 : x
  2. Step 2: Convert to fraction form
    11,258.46/15,522.24 = 7,715.52/x
  3. Step 3: Cross multiply
    11,258.46x = 15,522.24 × 7,715.52
  4. Step 4: Simplify right side
    11,258.46x = 119,762,153.16
  5. Step 5: Solve for x
    x = 119,762,153.16/11,258.46
  6. Step 6: Final answer
    x = 10,637.53

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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.