Home / 19,128.48-26,396.42-10,631.19

Finding the Fourth Proportional to 19,128.48, 26,396.42 and 10,631.19

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Solution

The fourth proportional to 19,128.48, 26,396.42 and 10,631.19 is: 14,670.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,128.48 : 26,396.42 = 10,631.19 : x
  2. Step 2: Convert to fraction form
    19,128.48/26,396.42 = 10,631.19/x
  3. Step 3: Cross multiply
    19,128.48x = 26,396.42 × 10,631.19
  4. Step 4: Simplify right side
    19,128.48x = 280,625,356.34
  5. Step 5: Solve for x
    x = 280,625,356.34/19,128.48
  6. Step 6: Final answer
    x = 14,670.55

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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.