Home / 13,021.40-17,969.30-7,053.04

Finding the Fourth Proportional to 13,021.40, 17,969.30 and 7,053.04

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Solution

The fourth proportional to 13,021.40, 17,969.30 and 7,053.04 is: 9,733.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,021.40 : 17,969.30 = 7,053.04 : x
  2. Step 2: Convert to fraction form
    13,021.40/17,969.30 = 7,053.04/x
  3. Step 3: Cross multiply
    13,021.40x = 17,969.30 × 7,053.04
  4. Step 4: Simplify right side
    13,021.40x = 126,738,191.67
  5. Step 5: Solve for x
    x = 126,738,191.67/13,021.40
  6. Step 6: Final answer
    x = 9,733.07

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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.