Home / 10,391.04-15,586.38-2,995.20

Finding the Fourth Proportional to 10,391.04, 15,586.38 and 2,995.20

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Solution

The fourth proportional to 10,391.04, 15,586.38 and 2,995.20 is: 4,492.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,391.04 : 15,586.38 = 2,995.20 : x
  2. Step 2: Convert to fraction form
    10,391.04/15,586.38 = 2,995.20/x
  3. Step 3: Cross multiply
    10,391.04x = 15,586.38 × 2,995.20
  4. Step 4: Simplify right side
    10,391.04x = 46,684,325.38
  5. Step 5: Solve for x
    x = 46,684,325.38/10,391.04
  6. Step 6: Final answer
    x = 4,492.75

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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.