Home / 19,710.14-29,565.12-4,919.06

Finding the Fourth Proportional to 19,710.14, 29,565.12 and 4,919.06

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Solution

The fourth proportional to 19,710.14, 29,565.12 and 4,919.06 is: 7,378.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,710.14 : 29,565.12 = 4,919.06 : x
  2. Step 2: Convert to fraction form
    19,710.14/29,565.12 = 4,919.06/x
  3. Step 3: Cross multiply
    19,710.14x = 29,565.12 × 4,919.06
  4. Step 4: Simplify right side
    19,710.14x = 145,432,599.19
  5. Step 5: Solve for x
    x = 145,432,599.19/19,710.14
  6. Step 6: Final answer
    x = 7,378.57

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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.