Home / 14,075.40-21,114.57-5,754.09

Finding the Fourth Proportional to 14,075.40, 21,114.57 and 5,754.09

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Solution

The fourth proportional to 14,075.40, 21,114.57 and 5,754.09 is: 8,631.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,075.40 : 21,114.57 = 5,754.09 : x
  2. Step 2: Convert to fraction form
    14,075.40/21,114.57 = 5,754.09/x
  3. Step 3: Cross multiply
    14,075.40x = 21,114.57 × 5,754.09
  4. Step 4: Simplify right side
    14,075.40x = 121,495,118.08
  5. Step 5: Solve for x
    x = 121,495,118.08/14,075.40
  6. Step 6: Final answer
    x = 8,631.74

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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.