Home / 42,291.36-63,437.04-11,124

Finding the Fourth Proportional to 42,291.36, 63,437.04 and 11,124

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Solution

The fourth proportional to 42,291.36, 63,437.04 and 11,124 is: 16,686

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,291.36 : 63,437.04 = 11,124 : x
  2. Step 2: Convert to fraction form
    42,291.36/63,437.04 = 11,124/x
  3. Step 3: Cross multiply
    42,291.36x = 63,437.04 × 11,124
  4. Step 4: Simplify right side
    42,291.36x = 705,673,632.96
  5. Step 5: Solve for x
    x = 705,673,632.96/42,291.36
  6. Step 6: Final answer
    x = 16,686

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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.