Home / 9,987.66-14,981.61-4,792.32

Finding the Fourth Proportional to 9,987.66, 14,981.61 and 4,792.32

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Solution

The fourth proportional to 9,987.66, 14,981.61 and 4,792.32 is: 7,188.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,987.66 : 14,981.61 = 4,792.32 : x
  2. Step 2: Convert to fraction form
    9,987.66/14,981.61 = 4,792.32/x
  3. Step 3: Cross multiply
    9,987.66x = 14,981.61 × 4,792.32
  4. Step 4: Simplify right side
    9,987.66x = 71,796,669.24
  5. Step 5: Solve for x
    x = 71,796,669.24/9,987.66
  6. Step 6: Final answer
    x = 7,188.54

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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.