Home / 14,765.90-20,376.50-8,051.66

Finding the Fourth Proportional to 14,765.90, 20,376.50 and 8,051.66

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Solution

The fourth proportional to 14,765.90, 20,376.50 and 8,051.66 is: 11,111.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,765.90 : 20,376.50 = 8,051.66 : x
  2. Step 2: Convert to fraction form
    14,765.90/20,376.50 = 8,051.66/x
  3. Step 3: Cross multiply
    14,765.90x = 20,376.50 × 8,051.66
  4. Step 4: Simplify right side
    14,765.90x = 164,064,664.22
  5. Step 5: Solve for x
    x = 164,064,664.22/14,765.90
  6. Step 6: Final answer
    x = 11,111.05

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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.