Home / 13,052.64-19,578.35-4,287.63

Finding the Fourth Proportional to 13,052.64, 19,578.35 and 4,287.63

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Solution

The fourth proportional to 13,052.64, 19,578.35 and 4,287.63 is: 6,431.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,052.64 : 19,578.35 = 4,287.63 : x
  2. Step 2: Convert to fraction form
    13,052.64/19,578.35 = 4,287.63/x
  3. Step 3: Cross multiply
    13,052.64x = 19,578.35 × 4,287.63
  4. Step 4: Simplify right side
    13,052.64x = 83,944,720.81
  5. Step 5: Solve for x
    x = 83,944,720.81/13,052.64
  6. Step 6: Final answer
    x = 6,431.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.