Home / 19,043.07-26,270.64-12,330.87

Finding the Fourth Proportional to 19,043.07, 26,270.64 and 12,330.87

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Solution

The fourth proportional to 19,043.07, 26,270.64 and 12,330.87 is: 17,010.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,043.07 : 26,270.64 = 12,330.87 : x
  2. Step 2: Convert to fraction form
    19,043.07/26,270.64 = 12,330.87/x
  3. Step 3: Cross multiply
    19,043.07x = 26,270.64 × 12,330.87
  4. Step 4: Simplify right side
    19,043.07x = 323,939,846.66
  5. Step 5: Solve for x
    x = 323,939,846.66/19,043.07
  6. Step 6: Final answer
    x = 17,010.90

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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.