Home / 9,368.76-14,049.90-5,215.08

Finding the Fourth Proportional to 9,368.76, 14,049.90 and 5,215.08

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Solution

The fourth proportional to 9,368.76, 14,049.90 and 5,215.08 is: 7,820.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,368.76 : 14,049.90 = 5,215.08 : x
  2. Step 2: Convert to fraction form
    9,368.76/14,049.90 = 5,215.08/x
  3. Step 3: Cross multiply
    9,368.76x = 14,049.90 × 5,215.08
  4. Step 4: Simplify right side
    9,368.76x = 73,271,352.49
  5. Step 5: Solve for x
    x = 73,271,352.49/9,368.76
  6. Step 6: Final answer
    x = 7,820.82

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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.