Home / 10,083.96-15,127.16-4,239.81

Finding the Fourth Proportional to 10,083.96, 15,127.16 and 4,239.81

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Solution

The fourth proportional to 10,083.96, 15,127.16 and 4,239.81 is: 6,360.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,083.96 : 15,127.16 = 4,239.81 : x
  2. Step 2: Convert to fraction form
    10,083.96/15,127.16 = 4,239.81/x
  3. Step 3: Cross multiply
    10,083.96x = 15,127.16 × 4,239.81
  4. Step 4: Simplify right side
    10,083.96x = 64,136,263.04
  5. Step 5: Solve for x
    x = 64,136,263.04/10,083.96
  6. Step 6: Final answer
    x = 6,360.23

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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.