Home / 10,412.92-15,621.18-4,570.12

Finding the Fourth Proportional to 10,412.92, 15,621.18 and 4,570.12

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Solution

The fourth proportional to 10,412.92, 15,621.18 and 4,570.12 is: 6,855.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,412.92 : 15,621.18 = 4,570.12 : x
  2. Step 2: Convert to fraction form
    10,412.92/15,621.18 = 4,570.12/x
  3. Step 3: Cross multiply
    10,412.92x = 15,621.18 × 4,570.12
  4. Step 4: Simplify right side
    10,412.92x = 71,390,667.14
  5. Step 5: Solve for x
    x = 71,390,667.14/10,412.92
  6. Step 6: Final answer
    x = 6,855.97

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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.