Home / 19,968.24-29,955.20-10,605.81

Finding the Fourth Proportional to 19,968.24, 29,955.20 and 10,605.81

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Solution

The fourth proportional to 19,968.24, 29,955.20 and 10,605.81 is: 15,910.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,968.24 : 29,955.20 = 10,605.81 : x
  2. Step 2: Convert to fraction form
    19,968.24/29,955.20 = 10,605.81/x
  3. Step 3: Cross multiply
    19,968.24x = 29,955.20 × 10,605.81
  4. Step 4: Simplify right side
    19,968.24x = 317,699,106.68
  5. Step 5: Solve for x
    x = 317,699,106.68/19,968.24
  6. Step 6: Final answer
    x = 15,910.22

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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.