Home / 13,258.14-18,296.37-7,289.93

Finding the Fourth Proportional to 13,258.14, 18,296.37 and 7,289.93

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Solution

The fourth proportional to 13,258.14, 18,296.37 and 7,289.93 is: 10,060.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,258.14 : 18,296.37 = 7,289.93 : x
  2. Step 2: Convert to fraction form
    13,258.14/18,296.37 = 7,289.93/x
  3. Step 3: Cross multiply
    13,258.14x = 18,296.37 × 7,289.93
  4. Step 4: Simplify right side
    13,258.14x = 133,379,165.07
  5. Step 5: Solve for x
    x = 133,379,165.07/13,258.14
  6. Step 6: Final answer
    x = 10,060.17

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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.