Home / 14,239.78-21,366.36-8,973.58

Finding the Fourth Proportional to 14,239.78, 21,366.36 and 8,973.58

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Solution

The fourth proportional to 14,239.78, 21,366.36 and 8,973.58 is: 13,464.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,239.78 : 21,366.36 = 8,973.58 : x
  2. Step 2: Convert to fraction form
    14,239.78/21,366.36 = 8,973.58/x
  3. Step 3: Cross multiply
    14,239.78x = 21,366.36 × 8,973.58
  4. Step 4: Simplify right side
    14,239.78x = 191,732,740.77
  5. Step 5: Solve for x
    x = 191,732,740.77/14,239.78
  6. Step 6: Final answer
    x = 13,464.59

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.