Home / 14,123.52-19,490.46-8,818.32

Finding the Fourth Proportional to 14,123.52, 19,490.46 and 8,818.32

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Solution

The fourth proportional to 14,123.52, 19,490.46 and 8,818.32 is: 12,169.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,123.52 : 19,490.46 = 8,818.32 : x
  2. Step 2: Convert to fraction form
    14,123.52/19,490.46 = 8,818.32/x
  3. Step 3: Cross multiply
    14,123.52x = 19,490.46 × 8,818.32
  4. Step 4: Simplify right side
    14,123.52x = 171,873,113.23
  5. Step 5: Solve for x
    x = 171,873,113.23/14,123.52
  6. Step 6: Final answer
    x = 12,169.28

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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.