Home / 11,459.32-15,814.59-6,423.54

Finding the Fourth Proportional to 11,459.32, 15,814.59 and 6,423.54

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Solution

The fourth proportional to 11,459.32, 15,814.59 and 6,423.54 is: 8,864.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,459.32 : 15,814.59 = 6,423.54 : x
  2. Step 2: Convert to fraction form
    11,459.32/15,814.59 = 6,423.54/x
  3. Step 3: Cross multiply
    11,459.32x = 15,814.59 × 6,423.54
  4. Step 4: Simplify right side
    11,459.32x = 101,585,707.04
  5. Step 5: Solve for x
    x = 101,585,707.04/11,459.32
  6. Step 6: Final answer
    x = 8,864.90

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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.