Home / 14,359.50-19,816.53-8,695.28

Finding the Fourth Proportional to 14,359.50, 19,816.53 and 8,695.28

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Solution

The fourth proportional to 14,359.50, 19,816.53 and 8,695.28 is: 11,999.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,359.50 : 19,816.53 = 8,695.28 : x
  2. Step 2: Convert to fraction form
    14,359.50/19,816.53 = 8,695.28/x
  3. Step 3: Cross multiply
    14,359.50x = 19,816.53 × 8,695.28
  4. Step 4: Simplify right side
    14,359.50x = 172,310,326.52
  5. Step 5: Solve for x
    x = 172,310,326.52/14,359.50
  6. Step 6: Final answer
    x = 11,999.74

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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.