Home / 14,261.95-21,395.76-7,245.91

Finding the Fourth Proportional to 14,261.95, 21,395.76 and 7,245.91

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Solution

The fourth proportional to 14,261.95, 21,395.76 and 7,245.91 is: 10,870.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,261.95 : 21,395.76 = 7,245.91 : x
  2. Step 2: Convert to fraction form
    14,261.95/21,395.76 = 7,245.91/x
  3. Step 3: Cross multiply
    14,261.95x = 21,395.76 × 7,245.91
  4. Step 4: Simplify right side
    14,261.95x = 155,031,751.34
  5. Step 5: Solve for x
    x = 155,031,751.34/14,261.95
  6. Step 6: Final answer
    x = 10,870.31

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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.