Home / 14,158.16-21,240.64-4,296.84

Finding the Fourth Proportional to 14,158.16, 21,240.64 and 4,296.84

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Solution

The fourth proportional to 14,158.16, 21,240.64 and 4,296.84 is: 6,446.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,158.16 : 21,240.64 = 4,296.84 : x
  2. Step 2: Convert to fraction form
    14,158.16/21,240.64 = 4,296.84/x
  3. Step 3: Cross multiply
    14,158.16x = 21,240.64 × 4,296.84
  4. Step 4: Simplify right side
    14,158.16x = 91,267,631.58
  5. Step 5: Solve for x
    x = 91,267,631.58/14,158.16
  6. Step 6: Final answer
    x = 6,446.29

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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.