Home / 12,924.31-19,360.95-10,137.10

Finding the Fourth Proportional to 12,924.31, 19,360.95 and 10,137.10

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Solution

The fourth proportional to 12,924.31, 19,360.95 and 10,137.10 is: 15,185.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,924.31 : 19,360.95 = 10,137.10 : x
  2. Step 2: Convert to fraction form
    12,924.31/19,360.95 = 10,137.10/x
  3. Step 3: Cross multiply
    12,924.31x = 19,360.95 × 10,137.10
  4. Step 4: Simplify right side
    12,924.31x = 196,263,886.25
  5. Step 5: Solve for x
    x = 196,263,886.25/12,924.31
  6. Step 6: Final answer
    x = 15,185.64

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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.