Home / 13,323.40-19,985.09-6,751.46

Finding the Fourth Proportional to 13,323.40, 19,985.09 and 6,751.46

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Solution

The fourth proportional to 13,323.40, 19,985.09 and 6,751.46 is: 10,127.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,323.40 : 19,985.09 = 6,751.46 : x
  2. Step 2: Convert to fraction form
    13,323.40/19,985.09 = 6,751.46/x
  3. Step 3: Cross multiply
    13,323.40x = 19,985.09 × 6,751.46
  4. Step 4: Simplify right side
    13,323.40x = 134,928,551.94
  5. Step 5: Solve for x
    x = 134,928,551.94/13,323.40
  6. Step 6: Final answer
    x = 10,127.19

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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.