Home / 14,123.85-21,186.59-4,264.13

Finding the Fourth Proportional to 14,123.85, 21,186.59 and 4,264.13

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Solution

The fourth proportional to 14,123.85, 21,186.59 and 4,264.13 is: 6,396.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,123.85 : 21,186.59 = 4,264.13 : x
  2. Step 2: Convert to fraction form
    14,123.85/21,186.59 = 4,264.13/x
  3. Step 3: Cross multiply
    14,123.85x = 21,186.59 × 4,264.13
  4. Step 4: Simplify right side
    14,123.85x = 90,342,246.76
  5. Step 5: Solve for x
    x = 90,342,246.76/14,123.85
  6. Step 6: Final answer
    x = 6,396.43

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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.