Home / 14,878.40-22,317.62-4,490.15

Finding the Fourth Proportional to 14,878.40, 22,317.62 and 4,490.15

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Solution

The fourth proportional to 14,878.40, 22,317.62 and 4,490.15 is: 6,735.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,878.40 : 22,317.62 = 4,490.15 : x
  2. Step 2: Convert to fraction form
    14,878.40/22,317.62 = 4,490.15/x
  3. Step 3: Cross multiply
    14,878.40x = 22,317.62 × 4,490.15
  4. Step 4: Simplify right side
    14,878.40x = 100,209,327.40
  5. Step 5: Solve for x
    x = 100,209,327.40/14,878.40
  6. Step 6: Final answer
    x = 6,735.22

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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.