Home / 14,136.04-21,190.18-7,901.34

Finding the Fourth Proportional to 14,136.04, 21,190.18 and 7,901.34

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Solution

The fourth proportional to 14,136.04, 21,190.18 and 7,901.34 is: 11,844.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,136.04 : 21,190.18 = 7,901.34 : x
  2. Step 2: Convert to fraction form
    14,136.04/21,190.18 = 7,901.34/x
  3. Step 3: Cross multiply
    14,136.04x = 21,190.18 × 7,901.34
  4. Step 4: Simplify right side
    14,136.04x = 167,430,816.84
  5. Step 5: Solve for x
    x = 167,430,816.84/14,136.04
  6. Step 6: Final answer
    x = 11,844.25

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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.