Home / 14,114.16-21,173.30-4,254.20

Finding the Fourth Proportional to 14,114.16, 21,173.30 and 4,254.20

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Solution

The fourth proportional to 14,114.16, 21,173.30 and 4,254.20 is: 6,381.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,114.16 : 21,173.30 = 4,254.20 : x
  2. Step 2: Convert to fraction form
    14,114.16/21,173.30 = 4,254.20/x
  3. Step 3: Cross multiply
    14,114.16x = 21,173.30 × 4,254.20
  4. Step 4: Simplify right side
    14,114.16x = 90,075,431.59
  5. Step 5: Solve for x
    x = 90,075,431.59/14,114.16
  6. Step 6: Final answer
    x = 6,381.92

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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.