Home / 9,418.40-14,126.91-3,870.24

Finding the Fourth Proportional to 9,418.40, 14,126.91 and 3,870.24

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Solution

The fourth proportional to 9,418.40, 14,126.91 and 3,870.24 is: 5,805.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,418.40 : 14,126.91 = 3,870.24 : x
  2. Step 2: Convert to fraction form
    9,418.40/14,126.91 = 3,870.24/x
  3. Step 3: Cross multiply
    9,418.40x = 14,126.91 × 3,870.24
  4. Step 4: Simplify right side
    9,418.40x = 54,674,532.16
  5. Step 5: Solve for x
    x = 54,674,532.16/9,418.40
  6. Step 6: Final answer
    x = 5,805.08

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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.