Home / 19,669.96-29,513.67-10,307.76

Finding the Fourth Proportional to 19,669.96, 29,513.67 and 10,307.76

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Solution

The fourth proportional to 19,669.96, 29,513.67 and 10,307.76 is: 15,466.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,669.96 : 29,513.67 = 10,307.76 : x
  2. Step 2: Convert to fraction form
    19,669.96/29,513.67 = 10,307.76/x
  3. Step 3: Cross multiply
    19,669.96x = 29,513.67 × 10,307.76
  4. Step 4: Simplify right side
    19,669.96x = 304,219,677.75
  5. Step 5: Solve for x
    x = 304,219,677.75/19,669.96
  6. Step 6: Final answer
    x = 15,466.20

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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.