Home / 12,710.50-19,047.58-5,586.20

Finding the Fourth Proportional to 12,710.50, 19,047.58 and 5,586.20

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Solution

The fourth proportional to 12,710.50, 19,047.58 and 5,586.20 is: 8,371.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,710.50 : 19,047.58 = 5,586.20 : x
  2. Step 2: Convert to fraction form
    12,710.50/19,047.58 = 5,586.20/x
  3. Step 3: Cross multiply
    12,710.50x = 19,047.58 × 5,586.20
  4. Step 4: Simplify right side
    12,710.50x = 106,403,591.40
  5. Step 5: Solve for x
    x = 106,403,591.40/12,710.50
  6. Step 6: Final answer
    x = 8,371.31

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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.