Home / 13,432.42-18,538.93-7,466.02

Finding the Fourth Proportional to 13,432.42, 18,538.93 and 7,466.02

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Solution

The fourth proportional to 13,432.42, 18,538.93 and 7,466.02 is: 10,304.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,432.42 : 18,538.93 = 7,466.02 : x
  2. Step 2: Convert to fraction form
    13,432.42/18,538.93 = 7,466.02/x
  3. Step 3: Cross multiply
    13,432.42x = 18,538.93 × 7,466.02
  4. Step 4: Simplify right side
    13,432.42x = 138,412,022.16
  5. Step 5: Solve for x
    x = 138,412,022.16/13,432.42
  6. Step 6: Final answer
    x = 10,304.33

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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.