Home / 13,014.14-17,959.50-7,045.81

Finding the Fourth Proportional to 13,014.14, 17,959.50 and 7,045.81

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Solution

The fourth proportional to 13,014.14, 17,959.50 and 7,045.81 is: 9,723.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,014.14 : 17,959.50 = 7,045.81 : x
  2. Step 2: Convert to fraction form
    13,014.14/17,959.50 = 7,045.81/x
  3. Step 3: Cross multiply
    13,014.14x = 17,959.50 × 7,045.81
  4. Step 4: Simplify right side
    13,014.14x = 126,539,224.70
  5. Step 5: Solve for x
    x = 126,539,224.70/13,014.14
  6. Step 6: Final answer
    x = 9,723.21

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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.