Home / 13,258.03-19,886.00-7,707.83

Finding the Fourth Proportional to 13,258.03, 19,886.00 and 7,707.83

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Solution

The fourth proportional to 13,258.03, 19,886.00 and 7,707.83 is: 11,561.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,258.03 : 19,886.00 = 7,707.83 : x
  2. Step 2: Convert to fraction form
    13,258.03/19,886.00 = 7,707.83/x
  3. Step 3: Cross multiply
    13,258.03x = 19,886.00 × 7,707.83
  4. Step 4: Simplify right side
    13,258.03x = 153,277,976.36
  5. Step 5: Solve for x
    x = 153,277,976.36/13,258.03
  6. Step 6: Final answer
    x = 11,561.14

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.