Home / 10,307.87-15,438.41-6,559.63

Finding the Fourth Proportional to 10,307.87, 15,438.41 and 6,559.63

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Solution

The fourth proportional to 10,307.87, 15,438.41 and 6,559.63 is: 9,824.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,307.87 : 15,438.41 = 6,559.63 : x
  2. Step 2: Convert to fraction form
    10,307.87/15,438.41 = 6,559.63/x
  3. Step 3: Cross multiply
    10,307.87x = 15,438.41 × 6,559.63
  4. Step 4: Simplify right side
    10,307.87x = 101,270,185.99
  5. Step 5: Solve for x
    x = 101,270,185.99/10,307.87
  6. Step 6: Final answer
    x = 9,824.55

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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.