Home / 10,319.45-15,478.97-2,528.26

Finding the Fourth Proportional to 10,319.45, 15,478.97 and 2,528.26

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Solution

The fourth proportional to 10,319.45, 15,478.97 and 2,528.26 is: 3,792.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,319.45 : 15,478.97 = 2,528.26 : x
  2. Step 2: Convert to fraction form
    10,319.45/15,478.97 = 2,528.26/x
  3. Step 3: Cross multiply
    10,319.45x = 15,478.97 × 2,528.26
  4. Step 4: Simplify right side
    10,319.45x = 39,134,809.35
  5. Step 5: Solve for x
    x = 39,134,809.35/10,319.45
  6. Step 6: Final answer
    x = 3,792.34

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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.