Home / 13,071.85-19,599.87-5,271.55

Finding the Fourth Proportional to 13,071.85, 19,599.87 and 5,271.55

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Solution

The fourth proportional to 13,071.85, 19,599.87 and 5,271.55 is: 7,904.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,071.85 : 19,599.87 = 5,271.55 : x
  2. Step 2: Convert to fraction form
    13,071.85/19,599.87 = 5,271.55/x
  3. Step 3: Cross multiply
    13,071.85x = 19,599.87 × 5,271.55
  4. Step 4: Simplify right side
    13,071.85x = 103,321,665.47
  5. Step 5: Solve for x
    x = 103,321,665.47/13,071.85
  6. Step 6: Final answer
    x = 7,904.14

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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.