Home / 19,810.88-29,695.28-9,272.00

Finding the Fourth Proportional to 19,810.88, 29,695.28 and 9,272.00

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Solution

The fourth proportional to 19,810.88, 29,695.28 and 9,272.00 is: 13,898.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,810.88 : 29,695.28 = 9,272.00 : x
  2. Step 2: Convert to fraction form
    19,810.88/29,695.28 = 9,272.00/x
  3. Step 3: Cross multiply
    19,810.88x = 29,695.28 × 9,272.00
  4. Step 4: Simplify right side
    19,810.88x = 275,334,664.04
  5. Step 5: Solve for x
    x = 275,334,664.04/19,810.88
  6. Step 6: Final answer
    x = 13,898.16

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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.