Home / 19,424.67-26,810.45-13,753.45

Finding the Fourth Proportional to 19,424.67, 26,810.45 and 13,753.45

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Solution

The fourth proportional to 19,424.67, 26,810.45 and 13,753.45 is: 18,982.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,424.67 : 26,810.45 = 13,753.45 : x
  2. Step 2: Convert to fraction form
    19,424.67/26,810.45 = 13,753.45/x
  3. Step 3: Cross multiply
    19,424.67x = 26,810.45 × 13,753.45
  4. Step 4: Simplify right side
    19,424.67x = 368,736,183.55
  5. Step 5: Solve for x
    x = 368,736,183.55/19,424.67
  6. Step 6: Final answer
    x = 18,982.88

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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.