Home / 14,039.85-21,041.11-6,130.41

Finding the Fourth Proportional to 14,039.85, 21,041.11 and 6,130.41

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Solution

The fourth proportional to 14,039.85, 21,041.11 and 6,130.41 is: 9,187.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,039.85 : 21,041.11 = 6,130.41 : x
  2. Step 2: Convert to fraction form
    14,039.85/21,041.11 = 6,130.41/x
  3. Step 3: Cross multiply
    14,039.85x = 21,041.11 × 6,130.41
  4. Step 4: Simplify right side
    14,039.85x = 128,990,631.16
  5. Step 5: Solve for x
    x = 128,990,631.16/14,039.85
  6. Step 6: Final answer
    x = 9,187.47

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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.