Home / 11,510.53-17,258.40-7,557.12

Finding the Fourth Proportional to 11,510.53, 17,258.40 and 7,557.12

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Solution

The fourth proportional to 11,510.53, 17,258.40 and 7,557.12 is: 11,330.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,510.53 : 17,258.40 = 7,557.12 : x
  2. Step 2: Convert to fraction form
    11,510.53/17,258.40 = 7,557.12/x
  3. Step 3: Cross multiply
    11,510.53x = 17,258.40 × 7,557.12
  4. Step 4: Simplify right side
    11,510.53x = 130,423,799.81
  5. Step 5: Solve for x
    x = 130,423,799.81/11,510.53
  6. Step 6: Final answer
    x = 11,330.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.