Home / 19,317.41-26,658.69-10,819.90

Finding the Fourth Proportional to 19,317.41, 26,658.69 and 10,819.90

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Solution

The fourth proportional to 19,317.41, 26,658.69 and 10,819.90 is: 14,931.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,317.41 : 26,658.69 = 10,819.90 : x
  2. Step 2: Convert to fraction form
    19,317.41/26,658.69 = 10,819.90/x
  3. Step 3: Cross multiply
    19,317.41x = 26,658.69 × 10,819.90
  4. Step 4: Simplify right side
    19,317.41x = 288,444,172.54
  5. Step 5: Solve for x
    x = 288,444,172.54/19,317.41
  6. Step 6: Final answer
    x = 14,931.82

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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.