Home / 19,287.72-26,605.98-11,328.48

Finding the Fourth Proportional to 19,287.72, 26,605.98 and 11,328.48

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Solution

The fourth proportional to 19,287.72, 26,605.98 and 11,328.48 is: 15,626.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,287.72 : 26,605.98 = 11,328.48 : x
  2. Step 2: Convert to fraction form
    19,287.72/26,605.98 = 11,328.48/x
  3. Step 3: Cross multiply
    19,287.72x = 26,605.98 × 11,328.48
  4. Step 4: Simplify right side
    19,287.72x = 301,405,312.31
  5. Step 5: Solve for x
    x = 301,405,312.31/19,287.72
  6. Step 6: Final answer
    x = 15,626.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.