Home / 18,337.87-25,307.52-10,380.10

Finding the Fourth Proportional to 18,337.87, 25,307.52 and 10,380.10

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Solution

The fourth proportional to 18,337.87, 25,307.52 and 10,380.10 is: 14,325.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,337.87 : 25,307.52 = 10,380.10 : x
  2. Step 2: Convert to fraction form
    18,337.87/25,307.52 = 10,380.10/x
  3. Step 3: Cross multiply
    18,337.87x = 25,307.52 × 10,380.10
  4. Step 4: Simplify right side
    18,337.87x = 262,694,588.35
  5. Step 5: Solve for x
    x = 262,694,588.35/18,337.87
  6. Step 6: Final answer
    x = 14,325.25

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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.