Home / 12,681.47-19,027.07-5,283.95

Finding the Fourth Proportional to 12,681.47, 19,027.07 and 5,283.95

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Solution

The fourth proportional to 12,681.47, 19,027.07 and 5,283.95 is: 7,927.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,681.47 : 19,027.07 = 5,283.95 : x
  2. Step 2: Convert to fraction form
    12,681.47/19,027.07 = 5,283.95/x
  3. Step 3: Cross multiply
    12,681.47x = 19,027.07 × 5,283.95
  4. Step 4: Simplify right side
    12,681.47x = 100,537,964.97
  5. Step 5: Solve for x
    x = 100,537,964.97/12,681.47
  6. Step 6: Final answer
    x = 7,927.95

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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.