Home / 14,889.93-20,548.53-8,429.07

Finding the Fourth Proportional to 14,889.93, 20,548.53 and 8,429.07

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Solution

The fourth proportional to 14,889.93, 20,548.53 and 8,429.07 is: 11,632.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,889.93 : 20,548.53 = 8,429.07 : x
  2. Step 2: Convert to fraction form
    14,889.93/20,548.53 = 8,429.07/x
  3. Step 3: Cross multiply
    14,889.93x = 20,548.53 × 8,429.07
  4. Step 4: Simplify right side
    14,889.93x = 173,204,895.02
  5. Step 5: Solve for x
    x = 173,204,895.02/14,889.93
  6. Step 6: Final answer
    x = 11,632.35

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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.