Home / 13,110.69-18,092.93-7,445.01

Finding the Fourth Proportional to 13,110.69, 18,092.93 and 7,445.01

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Solution

The fourth proportional to 13,110.69, 18,092.93 and 7,445.01 is: 10,274.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,110.69 : 18,092.93 = 7,445.01 : x
  2. Step 2: Convert to fraction form
    13,110.69/18,092.93 = 7,445.01/x
  3. Step 3: Cross multiply
    13,110.69x = 18,092.93 × 7,445.01
  4. Step 4: Simplify right side
    13,110.69x = 134,702,007.55
  5. Step 5: Solve for x
    x = 134,702,007.55/13,110.69
  6. Step 6: Final answer
    x = 10,274.21

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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.