Home / 19,507.04-26,919.60-11,123.36

Finding the Fourth Proportional to 19,507.04, 26,919.60 and 11,123.36

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Solution

The fourth proportional to 19,507.04, 26,919.60 and 11,123.36 is: 15,350.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,507.04 : 26,919.60 = 11,123.36 : x
  2. Step 2: Convert to fraction form
    19,507.04/26,919.60 = 11,123.36/x
  3. Step 3: Cross multiply
    19,507.04x = 26,919.60 × 11,123.36
  4. Step 4: Simplify right side
    19,507.04x = 299,436,401.86
  5. Step 5: Solve for x
    x = 299,436,401.86/19,507.04
  6. Step 6: Final answer
    x = 15,350.17

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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.