Home / 9,520.52-13,138.31-5,328.77

Finding the Fourth Proportional to 9,520.52, 13,138.31 and 5,328.77

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Solution

The fourth proportional to 9,520.52, 13,138.31 and 5,328.77 is: 7,353.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,520.52 : 13,138.31 = 5,328.77 : x
  2. Step 2: Convert to fraction form
    9,520.52/13,138.31 = 5,328.77/x
  3. Step 3: Cross multiply
    9,520.52x = 13,138.31 × 5,328.77
  4. Step 4: Simplify right side
    9,520.52x = 70,011,032.18
  5. Step 5: Solve for x
    x = 70,011,032.18/9,520.52
  6. Step 6: Final answer
    x = 7,353.70

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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.