Home / 10,948.57-16,430.78-4,376.64

Finding the Fourth Proportional to 10,948.57, 16,430.78 and 4,376.64

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Solution

The fourth proportional to 10,948.57, 16,430.78 and 4,376.64 is: 6,568.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,948.57 : 16,430.78 = 4,376.64 : x
  2. Step 2: Convert to fraction form
    10,948.57/16,430.78 = 4,376.64/x
  3. Step 3: Cross multiply
    10,948.57x = 16,430.78 × 4,376.64
  4. Step 4: Simplify right side
    10,948.57x = 71,911,608.98
  5. Step 5: Solve for x
    x = 71,911,608.98/10,948.57
  6. Step 6: Final answer
    x = 6,568.13

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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.