Home / 12,860.84-19,261.02-6,266.36

Finding the Fourth Proportional to 12,860.84, 19,261.02 and 6,266.36

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Solution

The fourth proportional to 12,860.84, 19,261.02 and 6,266.36 is: 9,384.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,860.84 : 19,261.02 = 6,266.36 : x
  2. Step 2: Convert to fraction form
    12,860.84/19,261.02 = 6,266.36/x
  3. Step 3: Cross multiply
    12,860.84x = 19,261.02 × 6,266.36
  4. Step 4: Simplify right side
    12,860.84x = 120,696,485.29
  5. Step 5: Solve for x
    x = 120,696,485.29/12,860.84
  6. Step 6: Final answer
    x = 9,384.81

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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.