Home / 11,315.23-16,971-2,995.77

Finding the Fourth Proportional to 11,315.23, 16,971 and 2,995.77

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Solution

The fourth proportional to 11,315.23, 16,971 and 2,995.77 is: 4,493.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,315.23 : 16,971 = 2,995.77 : x
  2. Step 2: Convert to fraction form
    11,315.23/16,971 = 2,995.77/x
  3. Step 3: Cross multiply
    11,315.23x = 16,971 × 2,995.77
  4. Step 4: Simplify right side
    11,315.23x = 50,841,212.67
  5. Step 5: Solve for x
    x = 50,841,212.67/11,315.23
  6. Step 6: Final answer
    x = 4,493.17

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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.