Home / 13,386.66-18,436.12-13,096.08

Finding the Fourth Proportional to 13,386.66, 18,436.12 and 13,096.08

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Solution

The fourth proportional to 13,386.66, 18,436.12 and 13,096.08 is: 18,035.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,386.66 : 18,436.12 = 13,096.08 : x
  2. Step 2: Convert to fraction form
    13,386.66/18,436.12 = 13,096.08/x
  3. Step 3: Cross multiply
    13,386.66x = 18,436.12 × 13,096.08
  4. Step 4: Simplify right side
    13,386.66x = 241,440,902.41
  5. Step 5: Solve for x
    x = 241,440,902.41/13,386.66
  6. Step 6: Final answer
    x = 18,035.93

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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.