Home / 16,991.14-25,457.95-10,403.57

Finding the Fourth Proportional to 16,991.14, 25,457.95 and 10,403.57

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Solution

The fourth proportional to 16,991.14, 25,457.95 and 10,403.57 is: 15,587.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,991.14 : 25,457.95 = 10,403.57 : x
  2. Step 2: Convert to fraction form
    16,991.14/25,457.95 = 10,403.57/x
  3. Step 3: Cross multiply
    16,991.14x = 25,457.95 × 10,403.57
  4. Step 4: Simplify right side
    16,991.14x = 264,853,564.88
  5. Step 5: Solve for x
    x = 264,853,564.88/16,991.14
  6. Step 6: Final answer
    x = 15,587.75

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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.