Home / 13,527.45-18,668.10-7,559.50

Finding the Fourth Proportional to 13,527.45, 18,668.10 and 7,559.50

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Solution

The fourth proportional to 13,527.45, 18,668.10 and 7,559.50 is: 10,432.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,527.45 : 18,668.10 = 7,559.50 : x
  2. Step 2: Convert to fraction form
    13,527.45/18,668.10 = 7,559.50/x
  3. Step 3: Cross multiply
    13,527.45x = 18,668.10 × 7,559.50
  4. Step 4: Simplify right side
    13,527.45x = 141,121,507.35
  5. Step 5: Solve for x
    x = 141,121,507.35/13,527.45
  6. Step 6: Final answer
    x = 10,432.23

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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.