Home / 19,980.13-29,973.45-7,501.14

Finding the Fourth Proportional to 19,980.13, 29,973.45 and 7,501.14

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Solution

The fourth proportional to 19,980.13, 29,973.45 and 7,501.14 is: 11,252.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,980.13 : 29,973.45 = 7,501.14 : x
  2. Step 2: Convert to fraction form
    19,980.13/29,973.45 = 7,501.14/x
  3. Step 3: Cross multiply
    19,980.13x = 29,973.45 × 7,501.14
  4. Step 4: Simplify right side
    19,980.13x = 224,835,044.73
  5. Step 5: Solve for x
    x = 224,835,044.73/19,980.13
  6. Step 6: Final answer
    x = 11,252.93

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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.