Home / 14,638.48-20,201.40-8,670.04

Finding the Fourth Proportional to 14,638.48, 20,201.40 and 8,670.04

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Solution

The fourth proportional to 14,638.48, 20,201.40 and 8,670.04 is: 11,964.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,638.48 : 20,201.40 = 8,670.04 : x
  2. Step 2: Convert to fraction form
    14,638.48/20,201.40 = 8,670.04/x
  3. Step 3: Cross multiply
    14,638.48x = 20,201.40 × 8,670.04
  4. Step 4: Simplify right side
    14,638.48x = 175,146,946.06
  5. Step 5: Solve for x
    x = 175,146,946.06/14,638.48
  6. Step 6: Final answer
    x = 11,964.83

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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.