Home / 13,713.80-20,570.16-9,541.76

Finding the Fourth Proportional to 13,713.80, 20,570.16 and 9,541.76

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Solution

The fourth proportional to 13,713.80, 20,570.16 and 9,541.76 is: 14,312.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,713.80 : 20,570.16 = 9,541.76 : x
  2. Step 2: Convert to fraction form
    13,713.80/20,570.16 = 9,541.76/x
  3. Step 3: Cross multiply
    13,713.80x = 20,570.16 × 9,541.76
  4. Step 4: Simplify right side
    13,713.80x = 196,275,529.88
  5. Step 5: Solve for x
    x = 196,275,529.88/13,713.80
  6. Step 6: Final answer
    x = 14,312.26

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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.