Home / 12,603.51-18,912.62-4,711.46

Finding the Fourth Proportional to 12,603.51, 18,912.62 and 4,711.46

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Solution

The fourth proportional to 12,603.51, 18,912.62 and 4,711.46 is: 7,069.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,603.51 : 18,912.62 = 4,711.46 : x
  2. Step 2: Convert to fraction form
    12,603.51/18,912.62 = 4,711.46/x
  3. Step 3: Cross multiply
    12,603.51x = 18,912.62 × 4,711.46
  4. Step 4: Simplify right side
    12,603.51x = 89,105,934.50
  5. Step 5: Solve for x
    x = 89,105,934.50/12,603.51
  6. Step 6: Final answer
    x = 7,069.93

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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.