Home / 12,897.04-19,259.30-11,028.64

Finding the Fourth Proportional to 12,897.04, 19,259.30 and 11,028.64

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Solution

The fourth proportional to 12,897.04, 19,259.30 and 11,028.64 is: 16,469.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,897.04 : 19,259.30 = 11,028.64 : x
  2. Step 2: Convert to fraction form
    12,897.04/19,259.30 = 11,028.64/x
  3. Step 3: Cross multiply
    12,897.04x = 19,259.30 × 11,028.64
  4. Step 4: Simplify right side
    12,897.04x = 212,403,886.35
  5. Step 5: Solve for x
    x = 212,403,886.35/12,897.04
  6. Step 6: Final answer
    x = 16,469.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.