Home / 12,840.04-19,261.98-4,075.24

Finding the Fourth Proportional to 12,840.04, 19,261.98 and 4,075.24

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Solution

The fourth proportional to 12,840.04, 19,261.98 and 4,075.24 is: 6,113.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,840.04 : 19,261.98 = 4,075.24 : x
  2. Step 2: Convert to fraction form
    12,840.04/19,261.98 = 4,075.24/x
  3. Step 3: Cross multiply
    12,840.04x = 19,261.98 × 4,075.24
  4. Step 4: Simplify right side
    12,840.04x = 78,497,191.38
  5. Step 5: Solve for x
    x = 78,497,191.38/12,840.04
  6. Step 6: Final answer
    x = 6,113.47

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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.