Home / 14,795.80-20,411.76-9,753.56

Finding the Fourth Proportional to 14,795.80, 20,411.76 and 9,753.56

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Solution

The fourth proportional to 14,795.80, 20,411.76 and 9,753.56 is: 13,455.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,795.80 : 20,411.76 = 9,753.56 : x
  2. Step 2: Convert to fraction form
    14,795.80/20,411.76 = 9,753.56/x
  3. Step 3: Cross multiply
    14,795.80x = 20,411.76 × 9,753.56
  4. Step 4: Simplify right side
    14,795.80x = 199,087,325.87
  5. Step 5: Solve for x
    x = 199,087,325.87/14,795.80
  6. Step 6: Final answer
    x = 13,455.66

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.