Home / 14,424.60-19,905.93-8,136.96

Finding the Fourth Proportional to 14,424.60, 19,905.93 and 8,136.96

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Solution

The fourth proportional to 14,424.60, 19,905.93 and 8,136.96 is: 11,228.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,424.60 : 19,905.93 = 8,136.96 : x
  2. Step 2: Convert to fraction form
    14,424.60/19,905.93 = 8,136.96/x
  3. Step 3: Cross multiply
    14,424.60x = 19,905.93 × 8,136.96
  4. Step 4: Simplify right side
    14,424.60x = 161,973,756.17
  5. Step 5: Solve for x
    x = 161,973,756.17/14,424.60
  6. Step 6: Final answer
    x = 11,228.99

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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.