Home / 9,670.24-13,343.70-5,478.49

Finding the Fourth Proportional to 9,670.24, 13,343.70 and 5,478.49

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Solution

The fourth proportional to 9,670.24, 13,343.70 and 5,478.49 is: 7,559.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,670.24 : 13,343.70 = 5,478.49 : x
  2. Step 2: Convert to fraction form
    9,670.24/13,343.70 = 5,478.49/x
  3. Step 3: Cross multiply
    9,670.24x = 13,343.70 × 5,478.49
  4. Step 4: Simplify right side
    9,670.24x = 73,103,327.01
  5. Step 5: Solve for x
    x = 73,103,327.01/9,670.24
  6. Step 6: Final answer
    x = 7,559.62

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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.