Home / 10,319.88-15,482.06-3,394.12

Finding the Fourth Proportional to 10,319.88, 15,482.06 and 3,394.12

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Solution

The fourth proportional to 10,319.88, 15,482.06 and 3,394.12 is: 5,091.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,319.88 : 15,482.06 = 3,394.12 : x
  2. Step 2: Convert to fraction form
    10,319.88/15,482.06 = 3,394.12/x
  3. Step 3: Cross multiply
    10,319.88x = 15,482.06 × 3,394.12
  4. Step 4: Simplify right side
    10,319.88x = 52,547,969.49
  5. Step 5: Solve for x
    x = 52,547,969.49/10,319.88
  6. Step 6: Final answer
    x = 5,091.92

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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.