Home / 11,088.09-15,297.93-7,901.89

Finding the Fourth Proportional to 11,088.09, 15,297.93 and 7,901.89

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Solution

The fourth proportional to 11,088.09, 15,297.93 and 7,901.89 is: 10,902.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,088.09 : 15,297.93 = 7,901.89 : x
  2. Step 2: Convert to fraction form
    11,088.09/15,297.93 = 7,901.89/x
  3. Step 3: Cross multiply
    11,088.09x = 15,297.93 × 7,901.89
  4. Step 4: Simplify right side
    11,088.09x = 120,882,521.84
  5. Step 5: Solve for x
    x = 120,882,521.84/11,088.09
  6. Step 6: Final answer
    x = 10,902.01

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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.