Home / 10,319.54-15,479.60-2,528.34

Finding the Fourth Proportional to 10,319.54, 15,479.60 and 2,528.34

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Solution

The fourth proportional to 10,319.54, 15,479.60 and 2,528.34 is: 3,792.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,319.54 : 15,479.60 = 2,528.34 : x
  2. Step 2: Convert to fraction form
    10,319.54/15,479.60 = 2,528.34/x
  3. Step 3: Cross multiply
    10,319.54x = 15,479.60 × 2,528.34
  4. Step 4: Simplify right side
    10,319.54x = 39,137,679.22
  5. Step 5: Solve for x
    x = 39,137,679.22/10,319.54
  6. Step 6: Final answer
    x = 3,792.58

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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.