Home / 10,923.30-15,074.20-6,386.24

Finding the Fourth Proportional to 10,923.30, 15,074.20 and 6,386.24

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Solution

The fourth proportional to 10,923.30, 15,074.20 and 6,386.24 is: 8,813.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,923.30 : 15,074.20 = 6,386.24 : x
  2. Step 2: Convert to fraction form
    10,923.30/15,074.20 = 6,386.24/x
  3. Step 3: Cross multiply
    10,923.30x = 15,074.20 × 6,386.24
  4. Step 4: Simplify right side
    10,923.30x = 96,267,459.01
  5. Step 5: Solve for x
    x = 96,267,459.01/10,923.30
  6. Step 6: Final answer
    x = 8,813.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.