Home / 14,501.44-20,011.29-8,127.25

Finding the Fourth Proportional to 14,501.44, 20,011.29 and 8,127.25

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Solution

The fourth proportional to 14,501.44, 20,011.29 and 8,127.25 is: 11,215.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,501.44 : 20,011.29 = 8,127.25 : x
  2. Step 2: Convert to fraction form
    14,501.44/20,011.29 = 8,127.25/x
  3. Step 3: Cross multiply
    14,501.44x = 20,011.29 × 8,127.25
  4. Step 4: Simplify right side
    14,501.44x = 162,636,756.65
  5. Step 5: Solve for x
    x = 162,636,756.65/14,501.44
  6. Step 6: Final answer
    x = 11,215.21

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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.