Home / 12,084.46-18,128.54-6,538.59

Finding the Fourth Proportional to 12,084.46, 18,128.54 and 6,538.59

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Solution

The fourth proportional to 12,084.46, 18,128.54 and 6,538.59 is: 9,808.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,084.46 : 18,128.54 = 6,538.59 : x
  2. Step 2: Convert to fraction form
    12,084.46/18,128.54 = 6,538.59/x
  3. Step 3: Cross multiply
    12,084.46x = 18,128.54 × 6,538.59
  4. Step 4: Simplify right side
    12,084.46x = 118,535,106.71
  5. Step 5: Solve for x
    x = 118,535,106.71/12,084.46
  6. Step 6: Final answer
    x = 9,808.89

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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.