Home / 16,991.60-25,459.68-10,403.96

Finding the Fourth Proportional to 16,991.60, 25,459.68 and 10,403.96

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Solution

The fourth proportional to 16,991.60, 25,459.68 and 10,403.96 is: 15,588.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,991.60 : 25,459.68 = 10,403.96 : x
  2. Step 2: Convert to fraction form
    16,991.60/25,459.68 = 10,403.96/x
  3. Step 3: Cross multiply
    16,991.60x = 25,459.68 × 10,403.96
  4. Step 4: Simplify right side
    16,991.60x = 264,881,492.33
  5. Step 5: Solve for x
    x = 264,881,492.33/16,991.60
  6. Step 6: Final answer
    x = 15,588.97

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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.