Home / 19,294.06-26,610.78-12,918.63

Finding the Fourth Proportional to 19,294.06, 26,610.78 and 12,918.63

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Solution

The fourth proportional to 19,294.06, 26,610.78 and 12,918.63 is: 17,817.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,294.06 : 26,610.78 = 12,918.63 : x
  2. Step 2: Convert to fraction form
    19,294.06/26,610.78 = 12,918.63/x
  3. Step 3: Cross multiply
    19,294.06x = 26,610.78 × 12,918.63
  4. Step 4: Simplify right side
    19,294.06x = 343,774,820.83
  5. Step 5: Solve for x
    x = 343,774,820.83/19,294.06
  6. Step 6: Final answer
    x = 17,817.65

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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.