Home / 14,338.32-21,506.88-4,980.45

Finding the Fourth Proportional to 14,338.32, 21,506.88 and 4,980.45

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Solution

The fourth proportional to 14,338.32, 21,506.88 and 4,980.45 is: 7,470.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,338.32 : 21,506.88 = 4,980.45 : x
  2. Step 2: Convert to fraction form
    14,338.32/21,506.88 = 4,980.45/x
  3. Step 3: Cross multiply
    14,338.32x = 21,506.88 × 4,980.45
  4. Step 4: Simplify right side
    14,338.32x = 107,114,039.82
  5. Step 5: Solve for x
    x = 107,114,039.82/14,338.32
  6. Step 6: Final answer
    x = 7,470.48

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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.