Home / 13,046.59-19,561.36-8,590.76

Finding the Fourth Proportional to 13,046.59, 19,561.36 and 8,590.76

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Solution

The fourth proportional to 13,046.59, 19,561.36 and 8,590.76 is: 12,880.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,046.59 : 19,561.36 = 8,590.76 : x
  2. Step 2: Convert to fraction form
    13,046.59/19,561.36 = 8,590.76/x
  3. Step 3: Cross multiply
    13,046.59x = 19,561.36 × 8,590.76
  4. Step 4: Simplify right side
    13,046.59x = 168,046,949.03
  5. Step 5: Solve for x
    x = 168,046,949.03/13,046.59
  6. Step 6: Final answer
    x = 12,880.53

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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.