Home / 13,017.84-19,526.58-3,157.20

Finding the Fourth Proportional to 13,017.84, 19,526.58 and 3,157.20

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Solution

The fourth proportional to 13,017.84, 19,526.58 and 3,157.20 is: 4,735.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,017.84 : 19,526.58 = 3,157.20 : x
  2. Step 2: Convert to fraction form
    13,017.84/19,526.58 = 3,157.20/x
  3. Step 3: Cross multiply
    13,017.84x = 19,526.58 × 3,157.20
  4. Step 4: Simplify right side
    13,017.84x = 61,649,318.38
  5. Step 5: Solve for x
    x = 61,649,318.38/13,017.84
  6. Step 6: Final answer
    x = 4,735.76

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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.