Home / 18,457.59-25,469.10-10,390.23

Finding the Fourth Proportional to 18,457.59, 25,469.10 and 10,390.23

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Solution

The fourth proportional to 18,457.59, 25,469.10 and 10,390.23 is: 14,337.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,457.59 : 25,469.10 = 10,390.23 : x
  2. Step 2: Convert to fraction form
    18,457.59/25,469.10 = 10,390.23/x
  3. Step 3: Cross multiply
    18,457.59x = 25,469.10 × 10,390.23
  4. Step 4: Simplify right side
    18,457.59x = 264,629,806.89
  5. Step 5: Solve for x
    x = 264,629,806.89/18,457.59
  6. Step 6: Final answer
    x = 14,337.18

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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.