Home / 18,458.50-25,473.28-10,075.54

Finding the Fourth Proportional to 18,458.50, 25,473.28 and 10,075.54

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Solution

The fourth proportional to 18,458.50, 25,473.28 and 10,075.54 is: 13,904.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,458.50 : 25,473.28 = 10,075.54 : x
  2. Step 2: Convert to fraction form
    18,458.50/25,473.28 = 10,075.54/x
  3. Step 3: Cross multiply
    18,458.50x = 25,473.28 × 10,075.54
  4. Step 4: Simplify right side
    18,458.50x = 256,657,051.57
  5. Step 5: Solve for x
    x = 256,657,051.57/18,458.50
  6. Step 6: Final answer
    x = 13,904.55

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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.