Home / 9,887.86-14,831.91-3,314.07

Finding the Fourth Proportional to 9,887.86, 14,831.91 and 3,314.07

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Solution

The fourth proportional to 9,887.86, 14,831.91 and 3,314.07 is: 4,971.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,887.86 : 14,831.91 = 3,314.07 : x
  2. Step 2: Convert to fraction form
    9,887.86/14,831.91 = 3,314.07/x
  3. Step 3: Cross multiply
    9,887.86x = 14,831.91 × 3,314.07
  4. Step 4: Simplify right side
    9,887.86x = 49,153,987.97
  5. Step 5: Solve for x
    x = 49,153,987.97/9,887.86
  6. Step 6: Final answer
    x = 4,971.15

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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.