Home / 17,555.59-24,212.28-12,518.20

Finding the Fourth Proportional to 17,555.59, 24,212.28 and 12,518.20

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Solution

The fourth proportional to 17,555.59, 24,212.28 and 12,518.20 is: 17,264.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,555.59 : 24,212.28 = 12,518.20 : x
  2. Step 2: Convert to fraction form
    17,555.59/24,212.28 = 12,518.20/x
  3. Step 3: Cross multiply
    17,555.59x = 24,212.28 × 12,518.20
  4. Step 4: Simplify right side
    17,555.59x = 303,094,163.50
  5. Step 5: Solve for x
    x = 303,094,163.50/17,555.59
  6. Step 6: Final answer
    x = 17,264.82

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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.