Home / 9,720.42-14,580.53-4,453.93

Finding the Fourth Proportional to 9,720.42, 14,580.53 and 4,453.93

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Solution

The fourth proportional to 9,720.42, 14,580.53 and 4,453.93 is: 6,680.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,720.42 : 14,580.53 = 4,453.93 : x
  2. Step 2: Convert to fraction form
    9,720.42/14,580.53 = 4,453.93/x
  3. Step 3: Cross multiply
    9,720.42x = 14,580.53 × 4,453.93
  4. Step 4: Simplify right side
    9,720.42x = 64,940,672.64
  5. Step 5: Solve for x
    x = 64,940,672.64/9,720.42
  6. Step 6: Final answer
    x = 6,680.85

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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.