Home / 10,423.48-15,632.32-4,578.64

Finding the Fourth Proportional to 10,423.48, 15,632.32 and 4,578.64

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Solution

The fourth proportional to 10,423.48, 15,632.32 and 4,578.64 is: 6,866.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,423.48 : 15,632.32 = 4,578.64 : x
  2. Step 2: Convert to fraction form
    10,423.48/15,632.32 = 4,578.64/x
  3. Step 3: Cross multiply
    10,423.48x = 15,632.32 × 4,578.64
  4. Step 4: Simplify right side
    10,423.48x = 71,574,765.64
  5. Step 5: Solve for x
    x = 71,574,765.64/10,423.48
  6. Step 6: Final answer
    x = 6,866.69

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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.