Home / 14,240.08-21,343.86-8,905.72

Finding the Fourth Proportional to 14,240.08, 21,343.86 and 8,905.72

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Solution

The fourth proportional to 14,240.08, 21,343.86 and 8,905.72 is: 13,348.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,240.08 : 21,343.86 = 8,905.72 : x
  2. Step 2: Convert to fraction form
    14,240.08/21,343.86 = 8,905.72/x
  3. Step 3: Cross multiply
    14,240.08x = 21,343.86 × 8,905.72
  4. Step 4: Simplify right side
    14,240.08x = 190,082,440.88
  5. Step 5: Solve for x
    x = 190,082,440.88/14,240.08
  6. Step 6: Final answer
    x = 13,348.41

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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.