Home / 12,727.84-19,066.38-9,941.47

Finding the Fourth Proportional to 12,727.84, 19,066.38 and 9,941.47

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Solution

The fourth proportional to 12,727.84, 19,066.38 and 9,941.47 is: 14,892.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,727.84 : 19,066.38 = 9,941.47 : x
  2. Step 2: Convert to fraction form
    12,727.84/19,066.38 = 9,941.47/x
  3. Step 3: Cross multiply
    12,727.84x = 19,066.38 × 9,941.47
  4. Step 4: Simplify right side
    12,727.84x = 189,547,749.45
  5. Step 5: Solve for x
    x = 189,547,749.45/12,727.84
  6. Step 6: Final answer
    x = 14,892.38

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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.