Home / 9,421.94-13,002.44-5,173.40

Finding the Fourth Proportional to 9,421.94, 13,002.44 and 5,173.40

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Solution

The fourth proportional to 9,421.94, 13,002.44 and 5,173.40 is: 7,139.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,421.94 : 13,002.44 = 5,173.40 : x
  2. Step 2: Convert to fraction form
    9,421.94/13,002.44 = 5,173.40/x
  3. Step 3: Cross multiply
    9,421.94x = 13,002.44 × 5,173.40
  4. Step 4: Simplify right side
    9,421.94x = 67,266,732.22
  5. Step 5: Solve for x
    x = 67,266,732.22/9,421.94
  6. Step 6: Final answer
    x = 7,139.38

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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.