Home / 10,629.32-15,943.98-5,065.76

Finding the Fourth Proportional to 10,629.32, 15,943.98 and 5,065.76

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Solution

The fourth proportional to 10,629.32, 15,943.98 and 5,065.76 is: 7,598.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,629.32 : 15,943.98 = 5,065.76 : x
  2. Step 2: Convert to fraction form
    10,629.32/15,943.98 = 5,065.76/x
  3. Step 3: Cross multiply
    10,629.32x = 15,943.98 × 5,065.76
  4. Step 4: Simplify right side
    10,629.32x = 80,768,376.12
  5. Step 5: Solve for x
    x = 80,768,376.12/10,629.32
  6. Step 6: Final answer
    x = 7,598.64

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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.