Home / 13,043.79-17,997.66-7,740.33

Finding the Fourth Proportional to 13,043.79, 17,997.66 and 7,740.33

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Solution

The fourth proportional to 13,043.79, 17,997.66 and 7,740.33 is: 10,680.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,043.79 : 17,997.66 = 7,740.33 : x
  2. Step 2: Convert to fraction form
    13,043.79/17,997.66 = 7,740.33/x
  3. Step 3: Cross multiply
    13,043.79x = 17,997.66 × 7,740.33
  4. Step 4: Simplify right side
    13,043.79x = 139,307,827.63
  5. Step 5: Solve for x
    x = 139,307,827.63/13,043.79
  6. Step 6: Final answer
    x = 10,680.01

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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.