Home / 12,444.96-18,670.64-4,127.30

Finding the Fourth Proportional to 12,444.96, 18,670.64 and 4,127.30

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Solution

The fourth proportional to 12,444.96, 18,670.64 and 4,127.30 is: 6,192.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,444.96 : 18,670.64 = 4,127.30 : x
  2. Step 2: Convert to fraction form
    12,444.96/18,670.64 = 4,127.30/x
  3. Step 3: Cross multiply
    12,444.96x = 18,670.64 × 4,127.30
  4. Step 4: Simplify right side
    12,444.96x = 77,059,292.78
  5. Step 5: Solve for x
    x = 77,059,292.78/12,444.96
  6. Step 6: Final answer
    x = 6,192.01

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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.