Home / 13,659.08-20,492.15-7,417.49

Finding the Fourth Proportional to 13,659.08, 20,492.15 and 7,417.49

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Solution

The fourth proportional to 13,659.08, 20,492.15 and 7,417.49 is: 11,128.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,659.08 : 20,492.15 = 7,417.49 : x
  2. Step 2: Convert to fraction form
    13,659.08/20,492.15 = 7,417.49/x
  3. Step 3: Cross multiply
    13,659.08x = 20,492.15 × 7,417.49
  4. Step 4: Simplify right side
    13,659.08x = 152,000,331.85
  5. Step 5: Solve for x
    x = 152,000,331.85/13,659.08
  6. Step 6: Final answer
    x = 11,128.15

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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.