Home / 19,565.74-29,298.12-12,971.26

Finding the Fourth Proportional to 19,565.74, 29,298.12 and 12,971.26

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Solution

The fourth proportional to 19,565.74, 29,298.12 and 12,971.26 is: 19,423.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,565.74 : 29,298.12 = 12,971.26 : x
  2. Step 2: Convert to fraction form
    19,565.74/29,298.12 = 12,971.26/x
  3. Step 3: Cross multiply
    19,565.74x = 29,298.12 × 12,971.26
  4. Step 4: Simplify right side
    19,565.74x = 380,033,532.03
  5. Step 5: Solve for x
    x = 380,033,532.03/19,565.74
  6. Step 6: Final answer
    x = 19,423.42

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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.