Home / 19,568.42-26,994.43-12,386.20

Finding the Fourth Proportional to 19,568.42, 26,994.43 and 12,386.20

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Solution

The fourth proportional to 19,568.42, 26,994.43 and 12,386.20 is: 17,086.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,568.42 : 26,994.43 = 12,386.20 : x
  2. Step 2: Convert to fraction form
    19,568.42/26,994.43 = 12,386.20/x
  3. Step 3: Cross multiply
    19,568.42x = 26,994.43 × 12,386.20
  4. Step 4: Simplify right side
    19,568.42x = 334,358,408.87
  5. Step 5: Solve for x
    x = 334,358,408.87/19,568.42
  6. Step 6: Final answer
    x = 17,086.63

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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.