Home / 9,421.68-13,002.96-5,442.96

Finding the Fourth Proportional to 9,421.68, 13,002.96 and 5,442.96

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Solution

The fourth proportional to 9,421.68, 13,002.96 and 5,442.96 is: 7,511.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,421.68 : 13,002.96 = 5,442.96 : x
  2. Step 2: Convert to fraction form
    9,421.68/13,002.96 = 5,442.96/x
  3. Step 3: Cross multiply
    9,421.68x = 13,002.96 × 5,442.96
  4. Step 4: Simplify right side
    9,421.68x = 70,774,591.16
  5. Step 5: Solve for x
    x = 70,774,591.16/9,421.68
  6. Step 6: Final answer
    x = 7,511.89

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.