Home / 12,760.04-19,140.60-6,191.75

Finding the Fourth Proportional to 12,760.04, 19,140.60 and 6,191.75

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Solution

The fourth proportional to 12,760.04, 19,140.60 and 6,191.75 is: 9,287.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,760.04 : 19,140.60 = 6,191.75 : x
  2. Step 2: Convert to fraction form
    12,760.04/19,140.60 = 6,191.75/x
  3. Step 3: Cross multiply
    12,760.04x = 19,140.60 × 6,191.75
  4. Step 4: Simplify right side
    12,760.04x = 118,513,810.05
  5. Step 5: Solve for x
    x = 118,513,810.05/12,760.04
  6. Step 6: Final answer
    x = 9,287.89

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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.