Home / 17,415.60-26,117.46-6,319.80

Finding the Fourth Proportional to 17,415.60, 26,117.46 and 6,319.80

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Solution

The fourth proportional to 17,415.60, 26,117.46 and 6,319.80 is: 9,477.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,415.60 : 26,117.46 = 6,319.80 : x
  2. Step 2: Convert to fraction form
    17,415.60/26,117.46 = 6,319.80/x
  3. Step 3: Cross multiply
    17,415.60x = 26,117.46 × 6,319.80
  4. Step 4: Simplify right side
    17,415.60x = 165,057,123.71
  5. Step 5: Solve for x
    x = 165,057,123.71/17,415.60
  6. Step 6: Final answer
    x = 9,477.54

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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.