Home / 20,088.96-27,703.68-13,011.84

Finding the Fourth Proportional to 20,088.96, 27,703.68 and 13,011.84

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Solution

The fourth proportional to 20,088.96, 27,703.68 and 13,011.84 is: 17,943.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,088.96 : 27,703.68 = 13,011.84 : x
  2. Step 2: Convert to fraction form
    20,088.96/27,703.68 = 13,011.84/x
  3. Step 3: Cross multiply
    20,088.96x = 27,703.68 × 13,011.84
  4. Step 4: Simplify right side
    20,088.96x = 360,475,851.57
  5. Step 5: Solve for x
    x = 360,475,851.57/20,088.96
  6. Step 6: Final answer
    x = 17,943.98

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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.