Home / 9,000.53-12,423.01-5,370.48

Finding the Fourth Proportional to 9,000.53, 12,423.01 and 5,370.48

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Solution

The fourth proportional to 9,000.53, 12,423.01 and 5,370.48 is: 7,412.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,000.53 : 12,423.01 = 5,370.48 : x
  2. Step 2: Convert to fraction form
    9,000.53/12,423.01 = 5,370.48/x
  3. Step 3: Cross multiply
    9,000.53x = 12,423.01 × 5,370.48
  4. Step 4: Simplify right side
    9,000.53x = 66,717,571.23
  5. Step 5: Solve for x
    x = 66,717,571.23/9,000.53
  6. Step 6: Final answer
    x = 7,412.62

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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.