Home / 12,038.81-16,614.21-7,260.29

Finding the Fourth Proportional to 12,038.81, 16,614.21 and 7,260.29

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Solution

The fourth proportional to 12,038.81, 16,614.21 and 7,260.29 is: 10,019.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,038.81 : 16,614.21 = 7,260.29 : x
  2. Step 2: Convert to fraction form
    12,038.81/16,614.21 = 7,260.29/x
  3. Step 3: Cross multiply
    12,038.81x = 16,614.21 × 7,260.29
  4. Step 4: Simplify right side
    12,038.81x = 120,623,982.72
  5. Step 5: Solve for x
    x = 120,623,982.72/12,038.81
  6. Step 6: Final answer
    x = 10,019.59

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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.