Home / 15,654.21-21,602.57-8,483.96

Finding the Fourth Proportional to 15,654.21, 21,602.57 and 8,483.96

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Solution

The fourth proportional to 15,654.21, 21,602.57 and 8,483.96 is: 11,707.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,654.21 : 21,602.57 = 8,483.96 : x
  2. Step 2: Convert to fraction form
    15,654.21/21,602.57 = 8,483.96/x
  3. Step 3: Cross multiply
    15,654.21x = 21,602.57 × 8,483.96
  4. Step 4: Simplify right side
    15,654.21x = 183,275,189.34
  5. Step 5: Solve for x
    x = 183,275,189.34/15,654.21
  6. Step 6: Final answer
    x = 11,707.73

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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.