Home / 14,356.78-21,533.73-4,995.88

Finding the Fourth Proportional to 14,356.78, 21,533.73 and 4,995.88

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Solution

The fourth proportional to 14,356.78, 21,533.73 and 4,995.88 is: 7,493.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,356.78 : 21,533.73 = 4,995.88 : x
  2. Step 2: Convert to fraction form
    14,356.78/21,533.73 = 4,995.88/x
  3. Step 3: Cross multiply
    14,356.78x = 21,533.73 × 4,995.88
  4. Step 4: Simplify right side
    14,356.78x = 107,579,931.03
  5. Step 5: Solve for x
    x = 107,579,931.03/14,356.78
  6. Step 6: Final answer
    x = 7,493.32

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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.