Home / 14,580.45-20,121.03-8,292.81

Finding the Fourth Proportional to 14,580.45, 20,121.03 and 8,292.81

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Solution

The fourth proportional to 14,580.45, 20,121.03 and 8,292.81 is: 11,444.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,580.45 : 20,121.03 = 8,292.81 : x
  2. Step 2: Convert to fraction form
    14,580.45/20,121.03 = 8,292.81/x
  3. Step 3: Cross multiply
    14,580.45x = 20,121.03 × 8,292.81
  4. Step 4: Simplify right side
    14,580.45x = 166,859,878.79
  5. Step 5: Solve for x
    x = 166,859,878.79/14,580.45
  6. Step 6: Final answer
    x = 11,444.08

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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.