Home / 10,395.16-14,328.47-8,122.53

Finding the Fourth Proportional to 10,395.16, 14,328.47 and 8,122.53

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Solution

The fourth proportional to 10,395.16, 14,328.47 and 8,122.53 is: 11,195.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,395.16 : 14,328.47 = 8,122.53 : x
  2. Step 2: Convert to fraction form
    10,395.16/14,328.47 = 8,122.53/x
  3. Step 3: Cross multiply
    10,395.16x = 14,328.47 × 8,122.53
  4. Step 4: Simplify right side
    10,395.16x = 116,383,427.43
  5. Step 5: Solve for x
    x = 116,383,427.43/10,395.16
  6. Step 6: Final answer
    x = 11,195.92

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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.