Home / 14,986.77-20,683.79-8,699.14

Finding the Fourth Proportional to 14,986.77, 20,683.79 and 8,699.14

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Solution

The fourth proportional to 14,986.77, 20,683.79 and 8,699.14 is: 12,006.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,986.77 : 20,683.79 = 8,699.14 : x
  2. Step 2: Convert to fraction form
    14,986.77/20,683.79 = 8,699.14/x
  3. Step 3: Cross multiply
    14,986.77x = 20,683.79 × 8,699.14
  4. Step 4: Simplify right side
    14,986.77x = 179,931,141.44
  5. Step 5: Solve for x
    x = 179,931,141.44/14,986.77
  6. Step 6: Final answer
    x = 12,006.00

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.