Home / 14,703.19-20,293.13-8,415.56

Finding the Fourth Proportional to 14,703.19, 20,293.13 and 8,415.56

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Solution

The fourth proportional to 14,703.19, 20,293.13 and 8,415.56 is: 11,615.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,703.19 : 20,293.13 = 8,415.56 : x
  2. Step 2: Convert to fraction form
    14,703.19/20,293.13 = 8,415.56/x
  3. Step 3: Cross multiply
    14,703.19x = 20,293.13 × 8,415.56
  4. Step 4: Simplify right side
    14,703.19x = 170,778,124.87
  5. Step 5: Solve for x
    x = 170,778,124.87/14,703.19
  6. Step 6: Final answer
    x = 11,615.04

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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.