Home / 13,703.28-20,557.08-4,341.12

Finding the Fourth Proportional to 13,703.28, 20,557.08 and 4,341.12

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Solution

The fourth proportional to 13,703.28, 20,557.08 and 4,341.12 is: 6,512.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,703.28 : 20,557.08 = 4,341.12 : x
  2. Step 2: Convert to fraction form
    13,703.28/20,557.08 = 4,341.12/x
  3. Step 3: Cross multiply
    13,703.28x = 20,557.08 × 4,341.12
  4. Step 4: Simplify right side
    13,703.28x = 89,240,751.13
  5. Step 5: Solve for x
    x = 89,240,751.13/13,703.28
  6. Step 6: Final answer
    x = 6,512.36

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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.