Home / 14,218.47-19,629.81-9,444.87

Finding the Fourth Proportional to 14,218.47, 19,629.81 and 9,444.87

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Solution

The fourth proportional to 14,218.47, 19,629.81 and 9,444.87 is: 13,039.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,218.47 : 19,629.81 = 9,444.87 : x
  2. Step 2: Convert to fraction form
    14,218.47/19,629.81 = 9,444.87/x
  3. Step 3: Cross multiply
    14,218.47x = 19,629.81 × 9,444.87
  4. Step 4: Simplify right side
    14,218.47x = 185,401,003.57
  5. Step 5: Solve for x
    x = 185,401,003.57/14,218.47
  6. Step 6: Final answer
    x = 13,039.45

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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.