Home / 13,407.52-20,111.06-4,047.16

Finding the Fourth Proportional to 13,407.52, 20,111.06 and 4,047.16

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Solution

The fourth proportional to 13,407.52, 20,111.06 and 4,047.16 is: 6,070.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,407.52 : 20,111.06 = 4,047.16 : x
  2. Step 2: Convert to fraction form
    13,407.52/20,111.06 = 4,047.16/x
  3. Step 3: Cross multiply
    13,407.52x = 20,111.06 × 4,047.16
  4. Step 4: Simplify right side
    13,407.52x = 81,392,677.59
  5. Step 5: Solve for x
    x = 81,392,677.59/13,407.52
  6. Step 6: Final answer
    x = 6,070.67

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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.