Home / 15,152.87-22,728.68-5,792.51

Finding the Fourth Proportional to 15,152.87, 22,728.68 and 5,792.51

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Solution

The fourth proportional to 15,152.87, 22,728.68 and 5,792.51 is: 8,688.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,152.87 : 22,728.68 = 5,792.51 : x
  2. Step 2: Convert to fraction form
    15,152.87/22,728.68 = 5,792.51/x
  3. Step 3: Cross multiply
    15,152.87x = 22,728.68 × 5,792.51
  4. Step 4: Simplify right side
    15,152.87x = 131,656,106.19
  5. Step 5: Solve for x
    x = 131,656,106.19/15,152.87
  6. Step 6: Final answer
    x = 8,688.53

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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.