Home / 14,538.10-21,807.24-5,178.48

Finding the Fourth Proportional to 14,538.10, 21,807.24 and 5,178.48

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Solution

The fourth proportional to 14,538.10, 21,807.24 and 5,178.48 is: 7,767.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,538.10 : 21,807.24 = 5,178.48 : x
  2. Step 2: Convert to fraction form
    14,538.10/21,807.24 = 5,178.48/x
  3. Step 3: Cross multiply
    14,538.10x = 21,807.24 × 5,178.48
  4. Step 4: Simplify right side
    14,538.10x = 112,928,356.20
  5. Step 5: Solve for x
    x = 112,928,356.20/14,538.10
  6. Step 6: Final answer
    x = 7,767.75

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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.