Home / 15,279.94-22,918.08-4,187.60

Finding the Fourth Proportional to 15,279.94, 22,918.08 and 4,187.60

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Solution

The fourth proportional to 15,279.94, 22,918.08 and 4,187.60 is: 6,280.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,279.94 : 22,918.08 = 4,187.60 : x
  2. Step 2: Convert to fraction form
    15,279.94/22,918.08 = 4,187.60/x
  3. Step 3: Cross multiply
    15,279.94x = 22,918.08 × 4,187.60
  4. Step 4: Simplify right side
    15,279.94x = 95,971,637.22
  5. Step 5: Solve for x
    x = 95,971,637.22/15,279.94
  6. Step 6: Final answer
    x = 6,280.89

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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.