Home / 13,985.76-19,300.48-7,698.26

Finding the Fourth Proportional to 13,985.76, 19,300.48 and 7,698.26

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Solution

The fourth proportional to 13,985.76, 19,300.48 and 7,698.26 is: 10,623.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,985.76 : 19,300.48 = 7,698.26 : x
  2. Step 2: Convert to fraction form
    13,985.76/19,300.48 = 7,698.26/x
  3. Step 3: Cross multiply
    13,985.76x = 19,300.48 × 7,698.26
  4. Step 4: Simplify right side
    13,985.76x = 148,580,113.16
  5. Step 5: Solve for x
    x = 148,580,113.16/13,985.76
  6. Step 6: Final answer
    x = 10,623.67

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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.