Home / 18,307.53-27,451.56-12,465.81

Finding the Fourth Proportional to 18,307.53, 27,451.56 and 12,465.81

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Solution

The fourth proportional to 18,307.53, 27,451.56 and 12,465.81 is: 18,692.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,307.53 : 27,451.56 = 12,465.81 : x
  2. Step 2: Convert to fraction form
    18,307.53/27,451.56 = 12,465.81/x
  3. Step 3: Cross multiply
    18,307.53x = 27,451.56 × 12,465.81
  4. Step 4: Simplify right side
    18,307.53x = 342,205,931.16
  5. Step 5: Solve for x
    x = 342,205,931.16/18,307.53
  6. Step 6: Final answer
    x = 18,692.09

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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.