Home / 10,557.28-15,835.56-5,013.28

Finding the Fourth Proportional to 10,557.28, 15,835.56 and 5,013.28

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Solution

The fourth proportional to 10,557.28, 15,835.56 and 5,013.28 is: 7,519.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,557.28 : 15,835.56 = 5,013.28 : x
  2. Step 2: Convert to fraction form
    10,557.28/15,835.56 = 5,013.28/x
  3. Step 3: Cross multiply
    10,557.28x = 15,835.56 × 5,013.28
  4. Step 4: Simplify right side
    10,557.28x = 79,388,096.24
  5. Step 5: Solve for x
    x = 79,388,096.24/10,557.28
  6. Step 6: Final answer
    x = 7,519.75

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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.