Home / 21,603.53-29,814.75-12,173.92

Finding the Fourth Proportional to 21,603.53, 29,814.75 and 12,173.92

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Solution

The fourth proportional to 21,603.53, 29,814.75 and 12,173.92 is: 16,801.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,603.53 : 29,814.75 = 12,173.92 : x
  2. Step 2: Convert to fraction form
    21,603.53/29,814.75 = 12,173.92/x
  3. Step 3: Cross multiply
    21,603.53x = 29,814.75 × 12,173.92
  4. Step 4: Simplify right side
    21,603.53x = 362,962,381.32
  5. Step 5: Solve for x
    x = 362,962,381.32/21,603.53
  6. Step 6: Final answer
    x = 16,801.07

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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.