Home / 12,538.57-17,303.10-6,873.63

Finding the Fourth Proportional to 12,538.57, 17,303.10 and 6,873.63

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Solution

The fourth proportional to 12,538.57, 17,303.10 and 6,873.63 is: 9,485.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,538.57 : 17,303.10 = 6,873.63 : x
  2. Step 2: Convert to fraction form
    12,538.57/17,303.10 = 6,873.63/x
  3. Step 3: Cross multiply
    12,538.57x = 17,303.10 × 6,873.63
  4. Step 4: Simplify right side
    12,538.57x = 118,935,020.74
  5. Step 5: Solve for x
    x = 118,935,020.74/12,538.57
  6. Step 6: Final answer
    x = 9,485.54

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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.