Home / 11,315.90-16,957.45-4,983.12

Finding the Fourth Proportional to 11,315.90, 16,957.45 and 4,983.12

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Solution

The fourth proportional to 11,315.90, 16,957.45 and 4,983.12 is: 7,467.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,315.90 : 16,957.45 = 4,983.12 : x
  2. Step 2: Convert to fraction form
    11,315.90/16,957.45 = 4,983.12/x
  3. Step 3: Cross multiply
    11,315.90x = 16,957.45 × 4,983.12
  4. Step 4: Simplify right side
    11,315.90x = 84,501,014.47
  5. Step 5: Solve for x
    x = 84,501,014.47/11,315.90
  6. Step 6: Final answer
    x = 7,467.46

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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.