Home / 9,000.30-13,506.48-3,156.91

Finding the Fourth Proportional to 9,000.30, 13,506.48 and 3,156.91

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Solution

The fourth proportional to 9,000.30, 13,506.48 and 3,156.91 is: 4,737.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,000.30 : 13,506.48 = 3,156.91 : x
  2. Step 2: Convert to fraction form
    9,000.30/13,506.48 = 3,156.91/x
  3. Step 3: Cross multiply
    9,000.30x = 13,506.48 × 3,156.91
  4. Step 4: Simplify right side
    9,000.30x = 42,638,741.78
  5. Step 5: Solve for x
    x = 42,638,741.78/9,000.30
  6. Step 6: Final answer
    x = 4,737.48

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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.