Home / 12,942.55-19,397.93-6,699.00

Finding the Fourth Proportional to 12,942.55, 19,397.93 and 6,699.00

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Solution

The fourth proportional to 12,942.55, 19,397.93 and 6,699.00 is: 10,040.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,942.55 : 19,397.93 = 6,699.00 : x
  2. Step 2: Convert to fraction form
    12,942.55/19,397.93 = 6,699.00/x
  3. Step 3: Cross multiply
    12,942.55x = 19,397.93 × 6,699.00
  4. Step 4: Simplify right side
    12,942.55x = 129,946,810.00
  5. Step 5: Solve for x
    x = 129,946,810.00/12,942.55
  6. Step 6: Final answer
    x = 10,040.28

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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.