Home / 19,559.56-29,317.28-9,705.88

Finding the Fourth Proportional to 19,559.56, 29,317.28 and 9,705.88

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Solution

The fourth proportional to 19,559.56, 29,317.28 and 9,705.88 is: 14,547.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,559.56 : 29,317.28 = 9,705.88 : x
  2. Step 2: Convert to fraction form
    19,559.56/29,317.28 = 9,705.88/x
  3. Step 3: Cross multiply
    19,559.56x = 29,317.28 × 9,705.88
  4. Step 4: Simplify right side
    19,559.56x = 284,550,001.61
  5. Step 5: Solve for x
    x = 284,550,001.61/19,559.56
  6. Step 6: Final answer
    x = 14,547.87

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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.