Home / 10,187.58-15,268.59-5,507.40

Finding the Fourth Proportional to 10,187.58, 15,268.59 and 5,507.40

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Solution

The fourth proportional to 10,187.58, 15,268.59 and 5,507.40 is: 8,254.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,187.58 : 15,268.59 = 5,507.40 : x
  2. Step 2: Convert to fraction form
    10,187.58/15,268.59 = 5,507.40/x
  3. Step 3: Cross multiply
    10,187.58x = 15,268.59 × 5,507.40
  4. Step 4: Simplify right side
    10,187.58x = 84,090,232.57
  5. Step 5: Solve for x
    x = 84,090,232.57/10,187.58
  6. Step 6: Final answer
    x = 8,254.19

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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.