Home / 12,999.10-19,465.43-10,370.45

Finding the Fourth Proportional to 12,999.10, 19,465.43 and 10,370.45

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Solution

The fourth proportional to 12,999.10, 19,465.43 and 10,370.45 is: 15,529.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,999.10 : 19,465.43 = 10,370.45 : x
  2. Step 2: Convert to fraction form
    12,999.10/19,465.43 = 10,370.45/x
  3. Step 3: Cross multiply
    12,999.10x = 19,465.43 × 10,370.45
  4. Step 4: Simplify right side
    12,999.10x = 201,865,268.54
  5. Step 5: Solve for x
    x = 201,865,268.54/12,999.10
  6. Step 6: Final answer
    x = 15,529.17

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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.