Home / 18,913.44-26,088.72-13,599.84

Finding the Fourth Proportional to 18,913.44, 26,088.72 and 13,599.84

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Solution

The fourth proportional to 18,913.44, 26,088.72 and 13,599.84 is: 18,759.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,913.44 : 26,088.72 = 13,599.84 : x
  2. Step 2: Convert to fraction form
    18,913.44/26,088.72 = 13,599.84/x
  3. Step 3: Cross multiply
    18,913.44x = 26,088.72 × 13,599.84
  4. Step 4: Simplify right side
    18,913.44x = 354,802,417.80
  5. Step 5: Solve for x
    x = 354,802,417.80/18,913.44
  6. Step 6: Final answer
    x = 18,759.27

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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.