Home / 19,810.88-29,726.06-7,964.16

Finding the Fourth Proportional to 19,810.88, 29,726.06 and 7,964.16

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Solution

The fourth proportional to 19,810.88, 29,726.06 and 7,964.16 is: 11,950.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,810.88 : 29,726.06 = 7,964.16 : x
  2. Step 2: Convert to fraction form
    19,810.88/29,726.06 = 7,964.16/x
  3. Step 3: Cross multiply
    19,810.88x = 29,726.06 × 7,964.16
  4. Step 4: Simplify right side
    19,810.88x = 236,742,946.72
  5. Step 5: Solve for x
    x = 236,742,946.72/19,810.88
  6. Step 6: Final answer
    x = 11,950.15

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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.