Home / 16,915.07-25,369.63-5,228.39

Finding the Fourth Proportional to 16,915.07, 25,369.63 and 5,228.39

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Solution

The fourth proportional to 16,915.07, 25,369.63 and 5,228.39 is: 7,841.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,915.07 : 25,369.63 = 5,228.39 : x
  2. Step 2: Convert to fraction form
    16,915.07/25,369.63 = 5,228.39/x
  3. Step 3: Cross multiply
    16,915.07x = 25,369.63 × 5,228.39
  4. Step 4: Simplify right side
    16,915.07x = 132,642,319.80
  5. Step 5: Solve for x
    x = 132,642,319.80/16,915.07
  6. Step 6: Final answer
    x = 7,841.67

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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.