Home / 18,246.60-25,172.10-11,075.40

Finding the Fourth Proportional to 18,246.60, 25,172.10 and 11,075.40

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Solution

The fourth proportional to 18,246.60, 25,172.10 and 11,075.40 is: 15,279.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,246.60 : 25,172.10 = 11,075.40 : x
  2. Step 2: Convert to fraction form
    18,246.60/25,172.10 = 11,075.40/x
  3. Step 3: Cross multiply
    18,246.60x = 25,172.10 × 11,075.40
  4. Step 4: Simplify right side
    18,246.60x = 278,791,076.34
  5. Step 5: Solve for x
    x = 278,791,076.34/18,246.60
  6. Step 6: Final answer
    x = 15,279.07

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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.