Home / 13,897.40-20,846.10-13,532.90

Finding the Fourth Proportional to 13,897.40, 20,846.10 and 13,532.90

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Solution

The fourth proportional to 13,897.40, 20,846.10 and 13,532.90 is: 20,299.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,897.40 : 20,846.10 = 13,532.90 : x
  2. Step 2: Convert to fraction form
    13,897.40/20,846.10 = 13,532.90/x
  3. Step 3: Cross multiply
    13,897.40x = 20,846.10 × 13,532.90
  4. Step 4: Simplify right side
    13,897.40x = 282,108,186.69
  5. Step 5: Solve for x
    x = 282,108,186.69/13,897.40
  6. Step 6: Final answer
    x = 20,299.35

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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.