Home / 15,378.33-23,059.29-7,964.40

Finding the Fourth Proportional to 15,378.33, 23,059.29 and 7,964.40

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Solution

The fourth proportional to 15,378.33, 23,059.29 and 7,964.40 is: 11,942.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,378.33 : 23,059.29 = 7,964.40 : x
  2. Step 2: Convert to fraction form
    15,378.33/23,059.29 = 7,964.40/x
  3. Step 3: Cross multiply
    15,378.33x = 23,059.29 × 7,964.40
  4. Step 4: Simplify right side
    15,378.33x = 183,653,292.94
  5. Step 5: Solve for x
    x = 183,653,292.94/15,378.33
  6. Step 6: Final answer
    x = 11,942.35

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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.