Home / 12,538.47-18,818.09-6,300.27

Finding the Fourth Proportional to 12,538.47, 18,818.09 and 6,300.27

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Solution

The fourth proportional to 12,538.47, 18,818.09 and 6,300.27 is: 9,455.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,538.47 : 18,818.09 = 6,300.27 : x
  2. Step 2: Convert to fraction form
    12,538.47/18,818.09 = 6,300.27/x
  3. Step 3: Cross multiply
    12,538.47x = 18,818.09 × 6,300.27
  4. Step 4: Simplify right side
    12,538.47x = 118,559,047.88
  5. Step 5: Solve for x
    x = 118,559,047.88/12,538.47
  6. Step 6: Final answer
    x = 9,455.62

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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.