Home / 10,240.66-14,127.54-8,360.01

Finding the Fourth Proportional to 10,240.66, 14,127.54 and 8,360.01

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Solution

The fourth proportional to 10,240.66, 14,127.54 and 8,360.01 is: 11,533.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,240.66 : 14,127.54 = 8,360.01 : x
  2. Step 2: Convert to fraction form
    10,240.66/14,127.54 = 8,360.01/x
  3. Step 3: Cross multiply
    10,240.66x = 14,127.54 × 8,360.01
  4. Step 4: Simplify right side
    10,240.66x = 118,106,375.68
  5. Step 5: Solve for x
    x = 118,106,375.68/10,240.66
  6. Step 6: Final answer
    x = 11,533.09

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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.