Home / 10,383.16-15,575.64-2,988.22

Finding the Fourth Proportional to 10,383.16, 15,575.64 and 2,988.22

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Solution

The fourth proportional to 10,383.16, 15,575.64 and 2,988.22 is: 4,482.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,383.16 : 15,575.64 = 2,988.22 : x
  2. Step 2: Convert to fraction form
    10,383.16/15,575.64 = 2,988.22/x
  3. Step 3: Cross multiply
    10,383.16x = 15,575.64 × 2,988.22
  4. Step 4: Simplify right side
    10,383.16x = 46,543,438.96
  5. Step 5: Solve for x
    x = 46,543,438.96/10,383.16
  6. Step 6: Final answer
    x = 4,482.59

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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.