Home / 13,021.42-17,969.53-7,053.11

Finding the Fourth Proportional to 13,021.42, 17,969.53 and 7,053.11

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Solution

The fourth proportional to 13,021.42, 17,969.53 and 7,053.11 is: 9,733.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,021.42 : 17,969.53 = 7,053.11 : x
  2. Step 2: Convert to fraction form
    13,021.42/17,969.53 = 7,053.11/x
  3. Step 3: Cross multiply
    13,021.42x = 17,969.53 × 7,053.11
  4. Step 4: Simplify right side
    13,021.42x = 126,740,946.63
  5. Step 5: Solve for x
    x = 126,740,946.63/13,021.42
  6. Step 6: Final answer
    x = 9,733.27

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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.