Home / 9,378.47-14,122.32-6,930.38

Finding the Fourth Proportional to 9,378.47, 14,122.32 and 6,930.38

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Solution

The fourth proportional to 9,378.47, 14,122.32 and 6,930.38 is: 10,435.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,378.47 : 14,122.32 = 6,930.38 : x
  2. Step 2: Convert to fraction form
    9,378.47/14,122.32 = 6,930.38/x
  3. Step 3: Cross multiply
    9,378.47x = 14,122.32 × 6,930.38
  4. Step 4: Simplify right side
    9,378.47x = 97,872,973.47
  5. Step 5: Solve for x
    x = 97,872,973.47/9,378.47
  6. Step 6: Final answer
    x = 10,435.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.