Home / 9,421.39-13,000.93-5,441.86

Finding the Fourth Proportional to 9,421.39, 13,000.93 and 5,441.86

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Solution

The fourth proportional to 9,421.39, 13,000.93 and 5,441.86 is: 7,509.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,421.39 : 13,000.93 = 5,441.86 : x
  2. Step 2: Convert to fraction form
    9,421.39/13,000.93 = 5,441.86/x
  3. Step 3: Cross multiply
    9,421.39x = 13,000.93 × 5,441.86
  4. Step 4: Simplify right side
    9,421.39x = 70,749,240.93
  5. Step 5: Solve for x
    x = 70,749,240.93/9,421.39
  6. Step 6: Final answer
    x = 7,509.43

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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.