Home / 21,563.16-29,756.03-12,132.33

Finding the Fourth Proportional to 21,563.16, 29,756.03 and 12,132.33

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Solution

The fourth proportional to 21,563.16, 29,756.03 and 12,132.33 is: 16,741.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,563.16 : 29,756.03 = 12,132.33 : x
  2. Step 2: Convert to fraction form
    21,563.16/29,756.03 = 12,132.33/x
  3. Step 3: Cross multiply
    21,563.16x = 29,756.03 × 12,132.33
  4. Step 4: Simplify right side
    21,563.16x = 361,009,914.79
  5. Step 5: Solve for x
    x = 361,009,914.79/21,563.16
  6. Step 6: Final answer
    x = 16,741.98

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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.