Home / 13,559.09-18,718.34-8,526.08

Finding the Fourth Proportional to 13,559.09, 18,718.34 and 8,526.08

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Solution

The fourth proportional to 13,559.09, 18,718.34 and 8,526.08 is: 11,770.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,559.09 : 18,718.34 = 8,526.08 : x
  2. Step 2: Convert to fraction form
    13,559.09/18,718.34 = 8,526.08/x
  3. Step 3: Cross multiply
    13,559.09x = 18,718.34 × 8,526.08
  4. Step 4: Simplify right side
    13,559.09x = 159,593,928.09
  5. Step 5: Solve for x
    x = 159,593,928.09/13,559.09
  6. Step 6: Final answer
    x = 11,770.26

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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.