Home / 14,398.79-21,570.48-8,835.89

Finding the Fourth Proportional to 14,398.79, 21,570.48 and 8,835.89

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Solution

The fourth proportional to 14,398.79, 21,570.48 and 8,835.89 is: 13,236.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,398.79 : 21,570.48 = 8,835.89 : x
  2. Step 2: Convert to fraction form
    14,398.79/21,570.48 = 8,835.89/x
  3. Step 3: Cross multiply
    14,398.79x = 21,570.48 × 8,835.89
  4. Step 4: Simplify right side
    14,398.79x = 190,594,280.67
  5. Step 5: Solve for x
    x = 190,594,280.67/14,398.79
  6. Step 6: Final answer
    x = 13,236.83

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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.