Home / 9,619.47-13,274.88-5,370.77

Finding the Fourth Proportional to 9,619.47, 13,274.88 and 5,370.77

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Solution

The fourth proportional to 9,619.47, 13,274.88 and 5,370.77 is: 7,411.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,619.47 : 13,274.88 = 5,370.77 : x
  2. Step 2: Convert to fraction form
    9,619.47/13,274.88 = 5,370.77/x
  3. Step 3: Cross multiply
    9,619.47x = 13,274.88 × 5,370.77
  4. Step 4: Simplify right side
    9,619.47x = 71,296,327.26
  5. Step 5: Solve for x
    x = 71,296,327.26/9,619.47
  6. Step 6: Final answer
    x = 7,411.67

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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.