Home / 10,038.78-15,060.81-3,465.44

Finding the Fourth Proportional to 10,038.78, 15,060.81 and 3,465.44

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Solution

The fourth proportional to 10,038.78, 15,060.81 and 3,465.44 is: 5,199.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,038.78 : 15,060.81 = 3,465.44 : x
  2. Step 2: Convert to fraction form
    10,038.78/15,060.81 = 3,465.44/x
  3. Step 3: Cross multiply
    10,038.78x = 15,060.81 × 3,465.44
  4. Step 4: Simplify right side
    10,038.78x = 52,192,258.10
  5. Step 5: Solve for x
    x = 52,192,258.10/10,038.78
  6. Step 6: Final answer
    x = 5,199.06

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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.