Home / 13,528.44-20,278.98-6,498.18

Finding the Fourth Proportional to 13,528.44, 20,278.98 and 6,498.18

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Solution

The fourth proportional to 13,528.44, 20,278.98 and 6,498.18 is: 9,740.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,528.44 : 20,278.98 = 6,498.18 : x
  2. Step 2: Convert to fraction form
    13,528.44/20,278.98 = 6,498.18/x
  3. Step 3: Cross multiply
    13,528.44x = 20,278.98 × 6,498.18
  4. Step 4: Simplify right side
    13,528.44x = 131,776,462.26
  5. Step 5: Solve for x
    x = 131,776,462.26/13,528.44
  6. Step 6: Final answer
    x = 9,740.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.