Home / 19,481.45-26,871.93-13,510.94

Finding the Fourth Proportional to 19,481.45, 26,871.93 and 13,510.94

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Solution

The fourth proportional to 19,481.45, 26,871.93 and 13,510.94 is: 18,636.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,481.45 : 26,871.93 = 13,510.94 : x
  2. Step 2: Convert to fraction form
    19,481.45/26,871.93 = 13,510.94/x
  3. Step 3: Cross multiply
    19,481.45x = 26,871.93 × 13,510.94
  4. Step 4: Simplify right side
    19,481.45x = 363,064,899.55
  5. Step 5: Solve for x
    x = 363,064,899.55/19,481.45
  6. Step 6: Final answer
    x = 18,636.45

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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.