Home / 15,343.40-23,015.10-4,956.20

Finding the Fourth Proportional to 15,343.40, 23,015.10 and 4,956.20

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Solution

The fourth proportional to 15,343.40, 23,015.10 and 4,956.20 is: 7,434.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,343.40 : 23,015.10 = 4,956.20 : x
  2. Step 2: Convert to fraction form
    15,343.40/23,015.10 = 4,956.20/x
  3. Step 3: Cross multiply
    15,343.40x = 23,015.10 × 4,956.20
  4. Step 4: Simplify right side
    15,343.40x = 114,067,438.62
  5. Step 5: Solve for x
    x = 114,067,438.62/15,343.40
  6. Step 6: Final answer
    x = 7,434.30

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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.