Home / 9,000.24-12,420.41-4,967.25

Finding the Fourth Proportional to 9,000.24, 12,420.41 and 4,967.25

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Solution

The fourth proportional to 9,000.24, 12,420.41 and 4,967.25 is: 6,854.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,000.24 : 12,420.41 = 4,967.25 : x
  2. Step 2: Convert to fraction form
    9,000.24/12,420.41 = 4,967.25/x
  3. Step 3: Cross multiply
    9,000.24x = 12,420.41 × 4,967.25
  4. Step 4: Simplify right side
    9,000.24x = 61,695,281.57
  5. Step 5: Solve for x
    x = 61,695,281.57/9,000.24
  6. Step 6: Final answer
    x = 6,854.85

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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.