Home / 9,420.14-14,111.06-7,561.19

Finding the Fourth Proportional to 9,420.14, 14,111.06 and 7,561.19

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Solution

The fourth proportional to 9,420.14, 14,111.06 and 7,561.19 is: 11,326.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,420.14 : 14,111.06 = 7,561.19 : x
  2. Step 2: Convert to fraction form
    9,420.14/14,111.06 = 7,561.19/x
  3. Step 3: Cross multiply
    9,420.14x = 14,111.06 × 7,561.19
  4. Step 4: Simplify right side
    9,420.14x = 106,696,297.40
  5. Step 5: Solve for x
    x = 106,696,297.40/9,420.14
  6. Step 6: Final answer
    x = 11,326.41

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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.