Home / 12,410.47-18,618.75-6,173.43

Finding the Fourth Proportional to 12,410.47, 18,618.75 and 6,173.43

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Solution

The fourth proportional to 12,410.47, 18,618.75 and 6,173.43 is: 9,261.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,410.47 : 18,618.75 = 6,173.43 : x
  2. Step 2: Convert to fraction form
    12,410.47/18,618.75 = 6,173.43/x
  3. Step 3: Cross multiply
    12,410.47x = 18,618.75 × 6,173.43
  4. Step 4: Simplify right side
    12,410.47x = 114,941,549.81
  5. Step 5: Solve for x
    x = 114,941,549.81/12,410.47
  6. Step 6: Final answer
    x = 9,261.66

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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.