Home / 17,290.02-23,831.55-12,247.77

Finding the Fourth Proportional to 17,290.02, 23,831.55 and 12,247.77

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Solution

The fourth proportional to 17,290.02, 23,831.55 and 12,247.77 is: 16,881.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,290.02 : 23,831.55 = 12,247.77 : x
  2. Step 2: Convert to fraction form
    17,290.02/23,831.55 = 12,247.77/x
  3. Step 3: Cross multiply
    17,290.02x = 23,831.55 × 12,247.77
  4. Step 4: Simplify right side
    17,290.02x = 291,883,372.10
  5. Step 5: Solve for x
    x = 291,883,372.10/17,290.02
  6. Step 6: Final answer
    x = 16,881.61

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.