Home / 14,675.18-20,249.60-8,386.34

Finding the Fourth Proportional to 14,675.18, 20,249.60 and 8,386.34

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Solution

The fourth proportional to 14,675.18, 20,249.60 and 8,386.34 is: 11,571.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,675.18 : 20,249.60 = 8,386.34 : x
  2. Step 2: Convert to fraction form
    14,675.18/20,249.60 = 8,386.34/x
  3. Step 3: Cross multiply
    14,675.18x = 20,249.60 × 8,386.34
  4. Step 4: Simplify right side
    14,675.18x = 169,820,030.46
  5. Step 5: Solve for x
    x = 169,820,030.46/14,675.18
  6. Step 6: Final answer
    x = 11,571.92

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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.