Home / 9,581.14-13,218.30-7,069.24

Finding the Fourth Proportional to 9,581.14, 13,218.30 and 7,069.24

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Solution

The fourth proportional to 9,581.14, 13,218.30 and 7,069.24 is: 9,752.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,581.14 : 13,218.30 = 7,069.24 : x
  2. Step 2: Convert to fraction form
    9,581.14/13,218.30 = 7,069.24/x
  3. Step 3: Cross multiply
    9,581.14x = 13,218.30 × 7,069.24
  4. Step 4: Simplify right side
    9,581.14x = 93,443,302.05
  5. Step 5: Solve for x
    x = 93,443,302.05/9,581.14
  6. Step 6: Final answer
    x = 9,752.84

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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.