Home / 9,069.70-13,598.43-3,145.06

Finding the Fourth Proportional to 9,069.70, 13,598.43 and 3,145.06

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Solution

The fourth proportional to 9,069.70, 13,598.43 and 3,145.06 is: 4,715.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,069.70 : 13,598.43 = 3,145.06 : x
  2. Step 2: Convert to fraction form
    9,069.70/13,598.43 = 3,145.06/x
  3. Step 3: Cross multiply
    9,069.70x = 13,598.43 × 3,145.06
  4. Step 4: Simplify right side
    9,069.70x = 42,767,878.26
  5. Step 5: Solve for x
    x = 42,767,878.26/9,069.70
  6. Step 6: Final answer
    x = 4,715.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.