Home / 14,838.32-20,476.89-8,123.99

Finding the Fourth Proportional to 14,838.32, 20,476.89 and 8,123.99

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Solution

The fourth proportional to 14,838.32, 20,476.89 and 8,123.99 is: 11,211.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,838.32 : 20,476.89 = 8,123.99 : x
  2. Step 2: Convert to fraction form
    14,838.32/20,476.89 = 8,123.99/x
  3. Step 3: Cross multiply
    14,838.32x = 20,476.89 × 8,123.99
  4. Step 4: Simplify right side
    14,838.32x = 166,353,947.21
  5. Step 5: Solve for x
    x = 166,353,947.21/14,838.32
  6. Step 6: Final answer
    x = 11,211.11

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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.