Home / 19,317.60-26,657.95-10,819.64

Finding the Fourth Proportional to 19,317.60, 26,657.95 and 10,819.64

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Solution

The fourth proportional to 19,317.60, 26,657.95 and 10,819.64 is: 14,930.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,317.60 : 26,657.95 = 10,819.64 : x
  2. Step 2: Convert to fraction form
    19,317.60/26,657.95 = 10,819.64/x
  3. Step 3: Cross multiply
    19,317.60x = 26,657.95 × 10,819.64
  4. Step 4: Simplify right side
    19,317.60x = 288,429,422.14
  5. Step 5: Solve for x
    x = 288,429,422.14/19,317.60
  6. Step 6: Final answer
    x = 14,930.91

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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.