Home / 9,000.47-13,502.96-3,156.91

Finding the Fourth Proportional to 9,000.47, 13,502.96 and 3,156.91

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Solution

The fourth proportional to 9,000.47, 13,502.96 and 3,156.91 is: 4,736.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,000.47 : 13,502.96 = 3,156.91 : x
  2. Step 2: Convert to fraction form
    9,000.47/13,502.96 = 3,156.91/x
  3. Step 3: Cross multiply
    9,000.47x = 13,502.96 × 3,156.91
  4. Step 4: Simplify right side
    9,000.47x = 42,627,629.45
  5. Step 5: Solve for x
    x = 42,627,629.45/9,000.47
  6. Step 6: Final answer
    x = 4,736.16

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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.