Home / 19,428.44-26,810.08-11,473.16

Finding the Fourth Proportional to 19,428.44, 26,810.08 and 11,473.16

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Solution

The fourth proportional to 19,428.44, 26,810.08 and 11,473.16 is: 15,832.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,428.44 : 26,810.08 = 11,473.16 : x
  2. Step 2: Convert to fraction form
    19,428.44/26,810.08 = 11,473.16/x
  3. Step 3: Cross multiply
    19,428.44x = 26,810.08 × 11,473.16
  4. Step 4: Simplify right side
    19,428.44x = 307,596,337.45
  5. Step 5: Solve for x
    x = 307,596,337.45/19,428.44
  6. Step 6: Final answer
    x = 15,832.27

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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.