Home / 13,283.37-18,331.19-7,315.23

Finding the Fourth Proportional to 13,283.37, 18,331.19 and 7,315.23

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Solution

The fourth proportional to 13,283.37, 18,331.19 and 7,315.23 is: 10,095.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,283.37 : 18,331.19 = 7,315.23 : x
  2. Step 2: Convert to fraction form
    13,283.37/18,331.19 = 7,315.23/x
  3. Step 3: Cross multiply
    13,283.37x = 18,331.19 × 7,315.23
  4. Step 4: Simplify right side
    13,283.37x = 134,096,742.79
  5. Step 5: Solve for x
    x = 134,096,742.79/13,283.37
  6. Step 6: Final answer
    x = 10,095.08

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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.