Home / 13,109.84-19,664.98-7,303.36

Finding the Fourth Proportional to 13,109.84, 19,664.98 and 7,303.36

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Solution

The fourth proportional to 13,109.84, 19,664.98 and 7,303.36 is: 10,955.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,109.84 : 19,664.98 = 7,303.36 : x
  2. Step 2: Convert to fraction form
    13,109.84/19,664.98 = 7,303.36/x
  3. Step 3: Cross multiply
    13,109.84x = 19,664.98 × 7,303.36
  4. Step 4: Simplify right side
    13,109.84x = 143,620,428.33
  5. Step 5: Solve for x
    x = 143,620,428.33/13,109.84
  6. Step 6: Final answer
    x = 10,955.16

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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.