Home / 19,668.30-29,502.06-4,877.28

Finding the Fourth Proportional to 19,668.30, 29,502.06 and 4,877.28

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Solution

The fourth proportional to 19,668.30, 29,502.06 and 4,877.28 is: 7,315.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,668.30 : 29,502.06 = 4,877.28 : x
  2. Step 2: Convert to fraction form
    19,668.30/29,502.06 = 4,877.28/x
  3. Step 3: Cross multiply
    19,668.30x = 29,502.06 × 4,877.28
  4. Step 4: Simplify right side
    19,668.30x = 143,889,807.20
  5. Step 5: Solve for x
    x = 143,889,807.20/19,668.30
  6. Step 6: Final answer
    x = 7,315.82

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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.