Home / 14,075.40-21,113.16-7,844.88

Finding the Fourth Proportional to 14,075.40, 21,113.16 and 7,844.88

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Solution

The fourth proportional to 14,075.40, 21,113.16 and 7,844.88 is: 11,767.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,075.40 : 21,113.16 = 7,844.88 : x
  2. Step 2: Convert to fraction form
    14,075.40/21,113.16 = 7,844.88/x
  3. Step 3: Cross multiply
    14,075.40x = 21,113.16 × 7,844.88
  4. Step 4: Simplify right side
    14,075.40x = 165,630,206.62
  5. Step 5: Solve for x
    x = 165,630,206.62/14,075.40
  6. Step 6: Final answer
    x = 11,767.35

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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.