Home / 25,646.39-38,457.23-12,126.29

Finding the Fourth Proportional to 25,646.39, 38,457.23 and 12,126.29

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Solution

The fourth proportional to 25,646.39, 38,457.23 and 12,126.29 is: 18,183.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,646.39 : 38,457.23 = 12,126.29 : x
  2. Step 2: Convert to fraction form
    25,646.39/38,457.23 = 12,126.29/x
  3. Step 3: Cross multiply
    25,646.39x = 38,457.23 × 12,126.29
  4. Step 4: Simplify right side
    25,646.39x = 466,343,559.09
  5. Step 5: Solve for x
    x = 466,343,559.09/25,646.39
  6. Step 6: Final answer
    x = 18,183.60

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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.