Home / 13,000.94-19,501.46-3,140.20

Finding the Fourth Proportional to 13,000.94, 19,501.46 and 3,140.20

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Solution

The fourth proportional to 13,000.94, 19,501.46 and 3,140.20 is: 4,710.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,000.94 : 19,501.46 = 3,140.20 : x
  2. Step 2: Convert to fraction form
    13,000.94/19,501.46 = 3,140.20/x
  3. Step 3: Cross multiply
    13,000.94x = 19,501.46 × 3,140.20
  4. Step 4: Simplify right side
    13,000.94x = 61,238,505.14
  5. Step 5: Solve for x
    x = 61,238,505.14/13,000.94
  6. Step 6: Final answer
    x = 4,710.31

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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.