Home / 9,421.38-14,122.35-4,230.90

Finding the Fourth Proportional to 9,421.38, 14,122.35 and 4,230.90

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Solution

The fourth proportional to 9,421.38, 14,122.35 and 4,230.90 is: 6,341.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,421.38 : 14,122.35 = 4,230.90 : x
  2. Step 2: Convert to fraction form
    9,421.38/14,122.35 = 4,230.90/x
  3. Step 3: Cross multiply
    9,421.38x = 14,122.35 × 4,230.90
  4. Step 4: Simplify right side
    9,421.38x = 59,750,250.62
  5. Step 5: Solve for x
    x = 59,750,250.62/9,421.38
  6. Step 6: Final answer
    x = 6,341.98

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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.