Home / 13,320.04-19,974.86-4,995.51

Finding the Fourth Proportional to 13,320.04, 19,974.86 and 4,995.51

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Solution

The fourth proportional to 13,320.04, 19,974.86 and 4,995.51 is: 7,491.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,320.04 : 19,974.86 = 4,995.51 : x
  2. Step 2: Convert to fraction form
    13,320.04/19,974.86 = 4,995.51/x
  3. Step 3: Cross multiply
    13,320.04x = 19,974.86 × 4,995.51
  4. Step 4: Simplify right side
    13,320.04x = 99,784,612.88
  5. Step 5: Solve for x
    x = 99,784,612.88/13,320.04
  6. Step 6: Final answer
    x = 7,491.31

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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.