Home / 13,656.35-20,466.77-6,154.40

Finding the Fourth Proportional to 13,656.35, 20,466.77 and 6,154.40

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Solution

The fourth proportional to 13,656.35, 20,466.77 and 6,154.40 is: 9,223.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,656.35 : 20,466.77 = 6,154.40 : x
  2. Step 2: Convert to fraction form
    13,656.35/20,466.77 = 6,154.40/x
  3. Step 3: Cross multiply
    13,656.35x = 20,466.77 × 6,154.40
  4. Step 4: Simplify right side
    13,656.35x = 125,960,556.18
  5. Step 5: Solve for x
    x = 125,960,556.18/13,656.35
  6. Step 6: Final answer
    x = 9,223.59

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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.