Home / 13,247.12-19,831.80-9,284.60

Finding the Fourth Proportional to 13,247.12, 19,831.80 and 9,284.60

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Solution

The fourth proportional to 13,247.12, 19,831.80 and 9,284.60 is: 13,899.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,247.12 : 19,831.80 = 9,284.60 : x
  2. Step 2: Convert to fraction form
    13,247.12/19,831.80 = 9,284.60/x
  3. Step 3: Cross multiply
    13,247.12x = 19,831.80 × 9,284.60
  4. Step 4: Simplify right side
    13,247.12x = 184,130,330.28
  5. Step 5: Solve for x
    x = 184,130,330.28/13,247.12
  6. Step 6: Final answer
    x = 13,899.65

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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.