Home / 11,818.90-17,709.21-5,564.08

Finding the Fourth Proportional to 11,818.90, 17,709.21 and 5,564.08

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Solution

The fourth proportional to 11,818.90, 17,709.21 and 5,564.08 is: 8,337.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,818.90 : 17,709.21 = 5,564.08 : x
  2. Step 2: Convert to fraction form
    11,818.90/17,709.21 = 5,564.08/x
  3. Step 3: Cross multiply
    11,818.90x = 17,709.21 × 5,564.08
  4. Step 4: Simplify right side
    11,818.90x = 98,535,461.18
  5. Step 5: Solve for x
    x = 98,535,461.18/11,818.90
  6. Step 6: Final answer
    x = 8,337.11

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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.