Home / 9,428.62-14,148.90-5,271.36

Finding the Fourth Proportional to 9,428.62, 14,148.90 and 5,271.36

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Solution

The fourth proportional to 9,428.62, 14,148.90 and 5,271.36 is: 7,910.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,428.62 : 14,148.90 = 5,271.36 : x
  2. Step 2: Convert to fraction form
    9,428.62/14,148.90 = 5,271.36/x
  3. Step 3: Cross multiply
    9,428.62x = 14,148.90 × 5,271.36
  4. Step 4: Simplify right side
    9,428.62x = 74,583,848.40
  5. Step 5: Solve for x
    x = 74,583,848.40/9,428.62
  6. Step 6: Final answer
    x = 7,910.37

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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.