Home / 13,214.59-19,828.35-5,818.12

Finding the Fourth Proportional to 13,214.59, 19,828.35 and 5,818.12

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Solution

The fourth proportional to 13,214.59, 19,828.35 and 5,818.12 is: 8,730.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,214.59 : 19,828.35 = 5,818.12 : x
  2. Step 2: Convert to fraction form
    13,214.59/19,828.35 = 5,818.12/x
  3. Step 3: Cross multiply
    13,214.59x = 19,828.35 × 5,818.12
  4. Step 4: Simplify right side
    13,214.59x = 115,363,719.70
  5. Step 5: Solve for x
    x = 115,363,719.70/13,214.59
  6. Step 6: Final answer
    x = 8,730.03

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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.