Home / 14,300.21-21,437.35-8,131.25

Finding the Fourth Proportional to 14,300.21, 21,437.35 and 8,131.25

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Solution

The fourth proportional to 14,300.21, 21,437.35 and 8,131.25 is: 12,189.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,300.21 : 21,437.35 = 8,131.25 : x
  2. Step 2: Convert to fraction form
    14,300.21/21,437.35 = 8,131.25/x
  3. Step 3: Cross multiply
    14,300.21x = 21,437.35 × 8,131.25
  4. Step 4: Simplify right side
    14,300.21x = 174,312,452.19
  5. Step 5: Solve for x
    x = 174,312,452.19/14,300.21
  6. Step 6: Final answer
    x = 12,189.50

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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.