Home / 10,812.49-16,204.05-6,130.28

Finding the Fourth Proportional to 10,812.49, 16,204.05 and 6,130.28

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Solution

The fourth proportional to 10,812.49, 16,204.05 and 6,130.28 is: 9,187.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,812.49 : 16,204.05 = 6,130.28 : x
  2. Step 2: Convert to fraction form
    10,812.49/16,204.05 = 6,130.28/x
  3. Step 3: Cross multiply
    10,812.49x = 16,204.05 × 6,130.28
  4. Step 4: Simplify right side
    10,812.49x = 99,335,404.14
  5. Step 5: Solve for x
    x = 99,335,404.14/10,812.49
  6. Step 6: Final answer
    x = 9,187.10

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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.