Home / 13,019.07-19,528.60-3,158.26

Finding the Fourth Proportional to 13,019.07, 19,528.60 and 3,158.26

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Solution

The fourth proportional to 13,019.07, 19,528.60 and 3,158.26 is: 4,737.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,019.07 : 19,528.60 = 3,158.26 : x
  2. Step 2: Convert to fraction form
    13,019.07/19,528.60 = 3,158.26/x
  3. Step 3: Cross multiply
    13,019.07x = 19,528.60 × 3,158.26
  4. Step 4: Simplify right side
    13,019.07x = 61,676,396.24
  5. Step 5: Solve for x
    x = 61,676,396.24/13,019.07
  6. Step 6: Final answer
    x = 4,737.39

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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.