Home / 14,484.32-19,986.45-8,111.04

Finding the Fourth Proportional to 14,484.32, 19,986.45 and 8,111.04

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Solution

The fourth proportional to 14,484.32, 19,986.45 and 8,111.04 is: 11,192.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,484.32 : 19,986.45 = 8,111.04 : x
  2. Step 2: Convert to fraction form
    14,484.32/19,986.45 = 8,111.04/x
  3. Step 3: Cross multiply
    14,484.32x = 19,986.45 × 8,111.04
  4. Step 4: Simplify right side
    14,484.32x = 162,110,790.04
  5. Step 5: Solve for x
    x = 162,110,790.04/14,484.32
  6. Step 6: Final answer
    x = 11,192.16

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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.