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Finding the Fourth Proportional to 11,133.34, 15,364.74 and 6,417.93

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Solution

The fourth proportional to 11,133.34, 15,364.74 and 6,417.93 is: 8,857.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,133.34 : 15,364.74 = 6,417.93 : x
  2. Step 2: Convert to fraction form
    11,133.34/15,364.74 = 6,417.93/x
  3. Step 3: Cross multiply
    11,133.34x = 15,364.74 × 6,417.93
  4. Step 4: Simplify right side
    11,133.34x = 98,609,825.79
  5. Step 5: Solve for x
    x = 98,609,825.79/11,133.34
  6. Step 6: Final answer
    x = 8,857.16

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.