Home / 9,403.74-12,977.67-5,212.38

Finding the Fourth Proportional to 9,403.74, 12,977.67 and 5,212.38

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Solution

The fourth proportional to 9,403.74, 12,977.67 and 5,212.38 is: 7,193.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,403.74 : 12,977.67 = 5,212.38 : x
  2. Step 2: Convert to fraction form
    9,403.74/12,977.67 = 5,212.38/x
  3. Step 3: Cross multiply
    9,403.74x = 12,977.67 × 5,212.38
  4. Step 4: Simplify right side
    9,403.74x = 67,644,547.55
  5. Step 5: Solve for x
    x = 67,644,547.55/9,403.74
  6. Step 6: Final answer
    x = 7,193.37

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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.