Home / 18,448.70-25,457.04-10,489.23

Finding the Fourth Proportional to 18,448.70, 25,457.04 and 10,489.23

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Solution

The fourth proportional to 18,448.70, 25,457.04 and 10,489.23 is: 14,473.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,448.70 : 25,457.04 = 10,489.23 : x
  2. Step 2: Convert to fraction form
    18,448.70/25,457.04 = 10,489.23/x
  3. Step 3: Cross multiply
    18,448.70x = 25,457.04 × 10,489.23
  4. Step 4: Simplify right side
    18,448.70x = 267,024,747.68
  5. Step 5: Solve for x
    x = 267,024,747.68/18,448.70
  6. Step 6: Final answer
    x = 14,473.91

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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.