Home / 14,137.40-21,206.10-9,459.65

Finding the Fourth Proportional to 14,137.40, 21,206.10 and 9,459.65

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Solution

The fourth proportional to 14,137.40, 21,206.10 and 9,459.65 is: 14,189.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,137.40 : 21,206.10 = 9,459.65 : x
  2. Step 2: Convert to fraction form
    14,137.40/21,206.10 = 9,459.65/x
  3. Step 3: Cross multiply
    14,137.40x = 21,206.10 × 9,459.65
  4. Step 4: Simplify right side
    14,137.40x = 200,602,283.87
  5. Step 5: Solve for x
    x = 200,602,283.87/14,137.40
  6. Step 6: Final answer
    x = 14,189.48

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Similar ratio
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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.