Home / 15,665.13-23,495.54-5,668.79

Finding the Fourth Proportional to 15,665.13, 23,495.54 and 5,668.79

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Solution

The fourth proportional to 15,665.13, 23,495.54 and 5,668.79 is: 8,502.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,665.13 : 23,495.54 = 5,668.79 : x
  2. Step 2: Convert to fraction form
    15,665.13/23,495.54 = 5,668.79/x
  3. Step 3: Cross multiply
    15,665.13x = 23,495.54 × 5,668.79
  4. Step 4: Simplify right side
    15,665.13x = 133,191,136.37
  5. Step 5: Solve for x
    x = 133,191,136.37/15,665.13
  6. Step 6: Final answer
    x = 8,502.40

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1.5x scale

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.