Home / 13,323.04-19,979.36-4,998.50

Finding the Fourth Proportional to 13,323.04, 19,979.36 and 4,998.50

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Solution

The fourth proportional to 13,323.04, 19,979.36 and 4,998.50 is: 7,495.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,323.04 : 19,979.36 = 4,998.50 : x
  2. Step 2: Convert to fraction form
    13,323.04/19,979.36 = 4,998.50/x
  3. Step 3: Cross multiply
    13,323.04x = 19,979.36 × 4,998.50
  4. Step 4: Simplify right side
    13,323.04x = 99,866,830.96
  5. Step 5: Solve for x
    x = 99,866,830.96/13,323.04
  6. Step 6: Final answer
    x = 7,495.80

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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.