Home / 10,187.59-15,280.08-3,943.33

Finding the Fourth Proportional to 10,187.59, 15,280.08 and 3,943.33

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Solution

The fourth proportional to 10,187.59, 15,280.08 and 3,943.33 is: 5,914.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,187.59 : 15,280.08 = 3,943.33 : x
  2. Step 2: Convert to fraction form
    10,187.59/15,280.08 = 3,943.33/x
  3. Step 3: Cross multiply
    10,187.59x = 15,280.08 × 3,943.33
  4. Step 4: Simplify right side
    10,187.59x = 60,254,331.02
  5. Step 5: Solve for x
    x = 60,254,331.02/10,187.59
  6. Step 6: Final answer
    x = 5,914.49

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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.