Home / 12,465.72-18,700.56-4,675.12

Finding the Fourth Proportional to 12,465.72, 18,700.56 and 4,675.12

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Solution

The fourth proportional to 12,465.72, 18,700.56 and 4,675.12 is: 7,013.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,465.72 : 18,700.56 = 4,675.12 : x
  2. Step 2: Convert to fraction form
    12,465.72/18,700.56 = 4,675.12/x
  3. Step 3: Cross multiply
    12,465.72x = 18,700.56 × 4,675.12
  4. Step 4: Simplify right side
    12,465.72x = 87,427,362.07
  5. Step 5: Solve for x
    x = 87,427,362.07/12,465.72
  6. Step 6: Final answer
    x = 7,013.42

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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.