Home / 12,370.08-17,072.46-7,655.88

Finding the Fourth Proportional to 12,370.08, 17,072.46 and 7,655.88

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Solution

The fourth proportional to 12,370.08, 17,072.46 and 7,655.88 is: 10,566.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,370.08 : 17,072.46 = 7,655.88 : x
  2. Step 2: Convert to fraction form
    12,370.08/17,072.46 = 7,655.88/x
  3. Step 3: Cross multiply
    12,370.08x = 17,072.46 × 7,655.88
  4. Step 4: Simplify right side
    12,370.08x = 130,704,705.06
  5. Step 5: Solve for x
    x = 130,704,705.06/12,370.08
  6. Step 6: Final answer
    x = 10,566.20

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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.