Home / 13,817.80-19,068.60-8,152.75

Finding the Fourth Proportional to 13,817.80, 19,068.60 and 8,152.75

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Solution

The fourth proportional to 13,817.80, 19,068.60 and 8,152.75 is: 11,250.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,817.80 : 19,068.60 = 8,152.75 : x
  2. Step 2: Convert to fraction form
    13,817.80/19,068.60 = 8,152.75/x
  3. Step 3: Cross multiply
    13,817.80x = 19,068.60 × 8,152.75
  4. Step 4: Simplify right side
    13,817.80x = 155,461,528.65
  5. Step 5: Solve for x
    x = 155,461,528.65/13,817.80
  6. Step 6: Final answer
    x = 11,250.82

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.