Home / 13,868.49-20,810.93-7,295.19

Finding the Fourth Proportional to 13,868.49, 20,810.93 and 7,295.19

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Solution

The fourth proportional to 13,868.49, 20,810.93 and 7,295.19 is: 10,947.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,868.49 : 20,810.93 = 7,295.19 : x
  2. Step 2: Convert to fraction form
    13,868.49/20,810.93 = 7,295.19/x
  3. Step 3: Cross multiply
    13,868.49x = 20,810.93 × 7,295.19
  4. Step 4: Simplify right side
    13,868.49x = 151,819,688.43
  5. Step 5: Solve for x
    x = 151,819,688.43/13,868.49
  6. Step 6: Final answer
    x = 10,947.10

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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.