Home / 14,056.05-21,090.15-7,130.55

Finding the Fourth Proportional to 14,056.05, 21,090.15 and 7,130.55

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Solution

The fourth proportional to 14,056.05, 21,090.15 and 7,130.55 is: 10,698.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,056.05 : 21,090.15 = 7,130.55 : x
  2. Step 2: Convert to fraction form
    14,056.05/21,090.15 = 7,130.55/x
  3. Step 3: Cross multiply
    14,056.05x = 21,090.15 × 7,130.55
  4. Step 4: Simplify right side
    14,056.05x = 150,384,369.08
  5. Step 5: Solve for x
    x = 150,384,369.08/14,056.05
  6. Step 6: Final answer
    x = 10,698.91

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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.