Home / 12,765.02-19,127.52-8,075.12

Finding the Fourth Proportional to 12,765.02, 19,127.52 and 8,075.12

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Solution

The fourth proportional to 12,765.02, 19,127.52 and 8,075.12 is: 12,100.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,765.02 : 19,127.52 = 8,075.12 : x
  2. Step 2: Convert to fraction form
    12,765.02/19,127.52 = 8,075.12/x
  3. Step 3: Cross multiply
    12,765.02x = 19,127.52 × 8,075.12
  4. Step 4: Simplify right side
    12,765.02x = 154,457,082.26
  5. Step 5: Solve for x
    x = 154,457,082.26/12,765.02
  6. Step 6: Final answer
    x = 12,100.03

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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.