Home / 21,263.55-31,895.34-9,563.10

Finding the Fourth Proportional to 21,263.55, 31,895.34 and 9,563.10

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Solution

The fourth proportional to 21,263.55, 31,895.34 and 9,563.10 is: 14,344.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,263.55 : 31,895.34 = 9,563.10 : x
  2. Step 2: Convert to fraction form
    21,263.55/31,895.34 = 9,563.10/x
  3. Step 3: Cross multiply
    21,263.55x = 31,895.34 × 9,563.10
  4. Step 4: Simplify right side
    21,263.55x = 305,018,170.48
  5. Step 5: Solve for x
    x = 305,018,170.48/21,263.55
  6. Step 6: Final answer
    x = 14,344.65

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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.