Home / 13,694.89-18,898.93-7,407.26

Finding the Fourth Proportional to 13,694.89, 18,898.93 and 7,407.26

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Solution

The fourth proportional to 13,694.89, 18,898.93 and 7,407.26 is: 10,222.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,694.89 : 18,898.93 = 7,407.26 : x
  2. Step 2: Convert to fraction form
    13,694.89/18,898.93 = 7,407.26/x
  3. Step 3: Cross multiply
    13,694.89x = 18,898.93 × 7,407.26
  4. Step 4: Simplify right side
    13,694.89x = 139,989,288.23
  5. Step 5: Solve for x
    x = 139,989,288.23/13,694.89
  6. Step 6: Final answer
    x = 10,222.01

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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.