Home / 9,455.12-13,048.34-5,206.62

Finding the Fourth Proportional to 9,455.12, 13,048.34 and 5,206.62

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Solution

The fourth proportional to 9,455.12, 13,048.34 and 5,206.62 is: 7,185.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,455.12 : 13,048.34 = 5,206.62 : x
  2. Step 2: Convert to fraction form
    9,455.12/13,048.34 = 5,206.62/x
  3. Step 3: Cross multiply
    9,455.12x = 13,048.34 × 5,206.62
  4. Step 4: Simplify right side
    9,455.12x = 67,937,748.01
  5. Step 5: Solve for x
    x = 67,937,748.01/9,455.12
  6. Step 6: Final answer
    x = 7,185.29

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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.