Home / 12,848.36-17,731.14-7,259.72

Finding the Fourth Proportional to 12,848.36, 17,731.14 and 7,259.72

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Solution

The fourth proportional to 12,848.36, 17,731.14 and 7,259.72 is: 10,018.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,848.36 : 17,731.14 = 7,259.72 : x
  2. Step 2: Convert to fraction form
    12,848.36/17,731.14 = 7,259.72/x
  3. Step 3: Cross multiply
    12,848.36x = 17,731.14 × 7,259.72
  4. Step 4: Simplify right side
    12,848.36x = 128,723,111.68
  5. Step 5: Solve for x
    x = 128,723,111.68/12,848.36
  6. Step 6: Final answer
    x = 10,018.64

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.