Home / 19,127.78-26,396.15-10,629.92

Finding the Fourth Proportional to 19,127.78, 26,396.15 and 10,629.92

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Solution

The fourth proportional to 19,127.78, 26,396.15 and 10,629.92 is: 14,669.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,127.78 : 26,396.15 = 10,629.92 : x
  2. Step 2: Convert to fraction form
    19,127.78/26,396.15 = 10,629.92/x
  3. Step 3: Cross multiply
    19,127.78x = 26,396.15 × 10,629.92
  4. Step 4: Simplify right side
    19,127.78x = 280,588,962.81
  5. Step 5: Solve for x
    x = 280,588,962.81/19,127.78
  6. Step 6: Final answer
    x = 14,669.19

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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.