Home / 14,008.72-19,331.92-10,439.68

Finding the Fourth Proportional to 14,008.72, 19,331.92 and 10,439.68

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Solution

The fourth proportional to 14,008.72, 19,331.92 and 10,439.68 is: 14,406.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,008.72 : 19,331.92 = 10,439.68 : x
  2. Step 2: Convert to fraction form
    14,008.72/19,331.92 = 10,439.68/x
  3. Step 3: Cross multiply
    14,008.72x = 19,331.92 × 10,439.68
  4. Step 4: Simplify right side
    14,008.72x = 201,819,058.59
  5. Step 5: Solve for x
    x = 201,819,058.59/14,008.72
  6. Step 6: Final answer
    x = 14,406.67

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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.