Home / 13,751.04-18,976.59-7,463.46

Finding the Fourth Proportional to 13,751.04, 18,976.59 and 7,463.46

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Solution

The fourth proportional to 13,751.04, 18,976.59 and 7,463.46 is: 10,299.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,751.04 : 18,976.59 = 7,463.46 : x
  2. Step 2: Convert to fraction form
    13,751.04/18,976.59 = 7,463.46/x
  3. Step 3: Cross multiply
    13,751.04x = 18,976.59 × 7,463.46
  4. Step 4: Simplify right side
    13,751.04x = 141,631,020.40
  5. Step 5: Solve for x
    x = 141,631,020.40/13,751.04
  6. Step 6: Final answer
    x = 10,299.66

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1.5x scale

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.