Home / 9,943.68-14,915.52-5,558.76

Finding the Fourth Proportional to 9,943.68, 14,915.52 and 5,558.76

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Solution

The fourth proportional to 9,943.68, 14,915.52 and 5,558.76 is: 8,338.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,943.68 : 14,915.52 = 5,558.76 : x
  2. Step 2: Convert to fraction form
    9,943.68/14,915.52 = 5,558.76/x
  3. Step 3: Cross multiply
    9,943.68x = 14,915.52 × 5,558.76
  4. Step 4: Simplify right side
    9,943.68x = 82,911,795.96
  5. Step 5: Solve for x
    x = 82,911,795.96/9,943.68
  6. Step 6: Final answer
    x = 8,338.14

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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.