Home / 17,415.46-26,126.90-4,939.30

Finding the Fourth Proportional to 17,415.46, 26,126.90 and 4,939.30

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Solution

The fourth proportional to 17,415.46, 26,126.90 and 4,939.30 is: 7,410.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,415.46 : 26,126.90 = 4,939.30 : x
  2. Step 2: Convert to fraction form
    17,415.46/26,126.90 = 4,939.30/x
  3. Step 3: Cross multiply
    17,415.46x = 26,126.90 × 4,939.30
  4. Step 4: Simplify right side
    17,415.46x = 129,048,597.17
  5. Step 5: Solve for x
    x = 129,048,597.17/17,415.46
  6. Step 6: Final answer
    x = 7,410.00

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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.