Home / 12,538.05-17,302.47-7,502.46

Finding the Fourth Proportional to 12,538.05, 17,302.47 and 7,502.46

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Solution

The fourth proportional to 12,538.05, 17,302.47 and 7,502.46 is: 10,353.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,538.05 : 17,302.47 = 7,502.46 : x
  2. Step 2: Convert to fraction form
    12,538.05/17,302.47 = 7,502.46/x
  3. Step 3: Cross multiply
    12,538.05x = 17,302.47 × 7,502.46
  4. Step 4: Simplify right side
    12,538.05x = 129,811,089.08
  5. Step 5: Solve for x
    x = 129,811,089.08/12,538.05
  6. Step 6: Final answer
    x = 10,353.37

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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.