Home / 15,530.62-21,427.58-14,033.74

Finding the Fourth Proportional to 15,530.62, 21,427.58 and 14,033.74

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Solution

The fourth proportional to 15,530.62, 21,427.58 and 14,033.74 is: 19,362.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,530.62 : 21,427.58 = 14,033.74 : x
  2. Step 2: Convert to fraction form
    15,530.62/21,427.58 = 14,033.74/x
  3. Step 3: Cross multiply
    15,530.62x = 21,427.58 × 14,033.74
  4. Step 4: Simplify right side
    15,530.62x = 300,709,086.55
  5. Step 5: Solve for x
    x = 300,709,086.55/15,530.62
  6. Step 6: Final answer
    x = 19,362.34

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.