Home / 10,365.93-14,302.42-6,331.72

Finding the Fourth Proportional to 10,365.93, 14,302.42 and 6,331.72

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Solution

The fourth proportional to 10,365.93, 14,302.42 and 6,331.72 is: 8,736.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,365.93 : 14,302.42 = 6,331.72 : x
  2. Step 2: Convert to fraction form
    10,365.93/14,302.42 = 6,331.72/x
  3. Step 3: Cross multiply
    10,365.93x = 14,302.42 × 6,331.72
  4. Step 4: Simplify right side
    10,365.93x = 90,558,918.76
  5. Step 5: Solve for x
    x = 90,558,918.76/10,365.93
  6. Step 6: Final answer
    x = 8,736.21

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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.