Home / 13,541.50-20,309.55-4,776.76

Finding the Fourth Proportional to 13,541.50, 20,309.55 and 4,776.76

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Solution

The fourth proportional to 13,541.50, 20,309.55 and 4,776.76 is: 7,164.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,541.50 : 20,309.55 = 4,776.76 : x
  2. Step 2: Convert to fraction form
    13,541.50/20,309.55 = 4,776.76/x
  3. Step 3: Cross multiply
    13,541.50x = 20,309.55 × 4,776.76
  4. Step 4: Simplify right side
    13,541.50x = 97,013,846.06
  5. Step 5: Solve for x
    x = 97,013,846.06/13,541.50
  6. Step 6: Final answer
    x = 7,164.19

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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.