Home / 12,986.44-19,461.18-10,051

Finding the Fourth Proportional to 12,986.44, 19,461.18 and 10,051

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Solution

The fourth proportional to 12,986.44, 19,461.18 and 10,051 is: 15,062.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,986.44 : 19,461.18 = 10,051 : x
  2. Step 2: Convert to fraction form
    12,986.44/19,461.18 = 10,051/x
  3. Step 3: Cross multiply
    12,986.44x = 19,461.18 × 10,051
  4. Step 4: Simplify right side
    12,986.44x = 195,604,320.18
  5. Step 5: Solve for x
    x = 195,604,320.18/12,986.44
  6. Step 6: Final answer
    x = 15,062.20

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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.