Home / 15,782.05-23,672.14-5,920.50

Finding the Fourth Proportional to 15,782.05, 23,672.14 and 5,920.50

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Solution

The fourth proportional to 15,782.05, 23,672.14 and 5,920.50 is: 8,880.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,782.05 : 23,672.14 = 5,920.50 : x
  2. Step 2: Convert to fraction form
    15,782.05/23,672.14 = 5,920.50/x
  3. Step 3: Cross multiply
    15,782.05x = 23,672.14 × 5,920.50
  4. Step 4: Simplify right side
    15,782.05x = 140,150,904.87
  5. Step 5: Solve for x
    x = 140,150,904.87/15,782.05
  6. Step 6: Final answer
    x = 8,880.40

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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.