Home / 13,247.64-19,874.06-4,485.08

Finding the Fourth Proportional to 13,247.64, 19,874.06 and 4,485.08

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Solution

The fourth proportional to 13,247.64, 19,874.06 and 4,485.08 is: 6,728.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,247.64 : 19,874.06 = 4,485.08 : x
  2. Step 2: Convert to fraction form
    13,247.64/19,874.06 = 4,485.08/x
  3. Step 3: Cross multiply
    13,247.64x = 19,874.06 × 4,485.08
  4. Step 4: Simplify right side
    13,247.64x = 89,136,749.02
  5. Step 5: Solve for x
    x = 89,136,749.02/13,247.64
  6. Step 6: Final answer
    x = 6,728.50

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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.