Home / 10,030.57-15,045.86-3,011.31

Finding the Fourth Proportional to 10,030.57, 15,045.86 and 3,011.31

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Solution

The fourth proportional to 10,030.57, 15,045.86 and 3,011.31 is: 4,516.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,030.57 : 15,045.86 = 3,011.31 : x
  2. Step 2: Convert to fraction form
    10,030.57/15,045.86 = 3,011.31/x
  3. Step 3: Cross multiply
    10,030.57x = 15,045.86 × 3,011.31
  4. Step 4: Simplify right side
    10,030.57x = 45,307,756.20
  5. Step 5: Solve for x
    x = 45,307,756.20/10,030.57
  6. Step 6: Final answer
    x = 4,516.97

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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.