Home / 12,927.46-19,391.25-5,136.25

Finding the Fourth Proportional to 12,927.46, 19,391.25 and 5,136.25

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Solution

The fourth proportional to 12,927.46, 19,391.25 and 5,136.25 is: 7,704.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,927.46 : 19,391.25 = 5,136.25 : x
  2. Step 2: Convert to fraction form
    12,927.46/19,391.25 = 5,136.25/x
  3. Step 3: Cross multiply
    12,927.46x = 19,391.25 × 5,136.25
  4. Step 4: Simplify right side
    12,927.46x = 99,598,307.81
  5. Step 5: Solve for x
    x = 99,598,307.81/12,927.46
  6. Step 6: Final answer
    x = 7,704.40

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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.