Home / 14,484.81-19,982.34-10,014.78

Finding the Fourth Proportional to 14,484.81, 19,982.34 and 10,014.78

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Solution

The fourth proportional to 14,484.81, 19,982.34 and 10,014.78 is: 13,815.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,484.81 : 19,982.34 = 10,014.78 : x
  2. Step 2: Convert to fraction form
    14,484.81/19,982.34 = 10,014.78/x
  3. Step 3: Cross multiply
    14,484.81x = 19,982.34 × 10,014.78
  4. Step 4: Simplify right side
    14,484.81x = 200,118,738.99
  5. Step 5: Solve for x
    x = 200,118,738.99/14,484.81
  6. Step 6: Final answer
    x = 13,815.77

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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.