Home / 12,499.40-18,752.34-6,259.16

Finding the Fourth Proportional to 12,499.40, 18,752.34 and 6,259.16

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Solution

The fourth proportional to 12,499.40, 18,752.34 and 6,259.16 is: 9,390.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,499.40 : 18,752.34 = 6,259.16 : x
  2. Step 2: Convert to fraction form
    12,499.40/18,752.34 = 6,259.16/x
  3. Step 3: Cross multiply
    12,499.40x = 18,752.34 × 6,259.16
  4. Step 4: Simplify right side
    12,499.40x = 117,373,896.43
  5. Step 5: Solve for x
    x = 117,373,896.43/12,499.40
  6. Step 6: Final answer
    x = 9,390.36

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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.