Home / 14,089.28-19,441.31-8,424.63

Finding the Fourth Proportional to 14,089.28, 19,441.31 and 8,424.63

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Solution

The fourth proportional to 14,089.28, 19,441.31 and 8,424.63 is: 11,624.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,089.28 : 19,441.31 = 8,424.63 : x
  2. Step 2: Convert to fraction form
    14,089.28/19,441.31 = 8,424.63/x
  3. Step 3: Cross multiply
    14,089.28x = 19,441.31 × 8,424.63
  4. Step 4: Simplify right side
    14,089.28x = 163,785,801.34
  5. Step 5: Solve for x
    x = 163,785,801.34/14,089.28
  6. Step 6: Final answer
    x = 11,624.86

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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.