Home / 9,570.42-13,207.14-5,378.70

Finding the Fourth Proportional to 9,570.42, 13,207.14 and 5,378.70

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Solution

The fourth proportional to 9,570.42, 13,207.14 and 5,378.70 is: 7,422.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,570.42 : 13,207.14 = 5,378.70 : x
  2. Step 2: Convert to fraction form
    9,570.42/13,207.14 = 5,378.70/x
  3. Step 3: Cross multiply
    9,570.42x = 13,207.14 × 5,378.70
  4. Step 4: Simplify right side
    9,570.42x = 71,037,243.92
  5. Step 5: Solve for x
    x = 71,037,243.92/9,570.42
  6. Step 6: Final answer
    x = 7,422.58

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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.