Home / 14,572.74-20,111.31-8,199.93

Finding the Fourth Proportional to 14,572.74, 20,111.31 and 8,199.93

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Solution

The fourth proportional to 14,572.74, 20,111.31 and 8,199.93 is: 11,316.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,572.74 : 20,111.31 = 8,199.93 : x
  2. Step 2: Convert to fraction form
    14,572.74/20,111.31 = 8,199.93/x
  3. Step 3: Cross multiply
    14,572.74x = 20,111.31 × 8,199.93
  4. Step 4: Simplify right side
    14,572.74x = 164,911,334.21
  5. Step 5: Solve for x
    x = 164,911,334.21/14,572.74
  6. Step 6: Final answer
    x = 11,316.43

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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.