Home / 14,874.81-20,526.90-8,160.32

Finding the Fourth Proportional to 14,874.81, 20,526.90 and 8,160.32

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Solution

The fourth proportional to 14,874.81, 20,526.90 and 8,160.32 is: 11,261.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,874.81 : 20,526.90 = 8,160.32 : x
  2. Step 2: Convert to fraction form
    14,874.81/20,526.90 = 8,160.32/x
  3. Step 3: Cross multiply
    14,874.81x = 20,526.90 × 8,160.32
  4. Step 4: Simplify right side
    14,874.81x = 167,505,969.97
  5. Step 5: Solve for x
    x = 167,505,969.97/14,874.81
  6. Step 6: Final answer
    x = 11,261.05

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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.