Home / 13,030.88-19,547.33-5,239.76

Finding the Fourth Proportional to 13,030.88, 19,547.33 and 5,239.76

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Solution

The fourth proportional to 13,030.88, 19,547.33 and 5,239.76 is: 7,860.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,030.88 : 19,547.33 = 5,239.76 : x
  2. Step 2: Convert to fraction form
    13,030.88/19,547.33 = 5,239.76/x
  3. Step 3: Cross multiply
    13,030.88x = 19,547.33 × 5,239.76
  4. Step 4: Simplify right side
    13,030.88x = 102,423,193.91
  5. Step 5: Solve for x
    x = 102,423,193.91/13,030.88
  6. Step 6: Final answer
    x = 7,860.04

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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.