Home / 23,075.23-31,854.45-13,513.79

Finding the Fourth Proportional to 23,075.23, 31,854.45 and 13,513.79

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Solution

The fourth proportional to 23,075.23, 31,854.45 and 13,513.79 is: 18,655.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,075.23 : 31,854.45 = 13,513.79 : x
  2. Step 2: Convert to fraction form
    23,075.23/31,854.45 = 13,513.79/x
  3. Step 3: Cross multiply
    23,075.23x = 31,854.45 × 13,513.79
  4. Step 4: Simplify right side
    23,075.23x = 430,474,121.02
  5. Step 5: Solve for x
    x = 430,474,121.02/23,075.23
  6. Step 6: Final answer
    x = 18,655.25

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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.