Home / 10,368.34-14,301.04-6,391.64

Finding the Fourth Proportional to 10,368.34, 14,301.04 and 6,391.64

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Solution

The fourth proportional to 10,368.34, 14,301.04 and 6,391.64 is: 8,815.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,368.34 : 14,301.04 = 6,391.64 : x
  2. Step 2: Convert to fraction form
    10,368.34/14,301.04 = 6,391.64/x
  3. Step 3: Cross multiply
    10,368.34x = 14,301.04 × 6,391.64
  4. Step 4: Simplify right side
    10,368.34x = 91,407,099.31
  5. Step 5: Solve for x
    x = 91,407,099.31/10,368.34
  6. Step 6: Final answer
    x = 8,815.98

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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.