Home / 9,520.34-13,138.20-5,271.08

Finding the Fourth Proportional to 9,520.34, 13,138.20 and 5,271.08

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Solution

The fourth proportional to 9,520.34, 13,138.20 and 5,271.08 is: 7,274.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,520.34 : 13,138.20 = 5,271.08 : x
  2. Step 2: Convert to fraction form
    9,520.34/13,138.20 = 5,271.08/x
  3. Step 3: Cross multiply
    9,520.34x = 13,138.20 × 5,271.08
  4. Step 4: Simplify right side
    9,520.34x = 69,252,437.57
  5. Step 5: Solve for x
    x = 69,252,437.57/9,520.34
  6. Step 6: Final answer
    x = 7,274.16

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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.