Home / 13,566.46-20,347.35-4,078.63

Finding the Fourth Proportional to 13,566.46, 20,347.35 and 4,078.63

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Solution

The fourth proportional to 13,566.46, 20,347.35 and 4,078.63 is: 6,117.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,566.46 : 20,347.35 = 4,078.63 : x
  2. Step 2: Convert to fraction form
    13,566.46/20,347.35 = 4,078.63/x
  3. Step 3: Cross multiply
    13,566.46x = 20,347.35 × 4,078.63
  4. Step 4: Simplify right side
    13,566.46x = 82,989,312.13
  5. Step 5: Solve for x
    x = 82,989,312.13/13,566.46
  6. Step 6: Final answer
    x = 6,117.24

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Double scale
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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.