Home / 16,101.09-22,219.55-8,931.51

Finding the Fourth Proportional to 16,101.09, 22,219.55 and 8,931.51

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Solution

The fourth proportional to 16,101.09, 22,219.55 and 8,931.51 is: 12,325.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,101.09 : 22,219.55 = 8,931.51 : x
  2. Step 2: Convert to fraction form
    16,101.09/22,219.55 = 8,931.51/x
  3. Step 3: Cross multiply
    16,101.09x = 22,219.55 × 8,931.51
  4. Step 4: Simplify right side
    16,101.09x = 198,454,088.36
  5. Step 5: Solve for x
    x = 198,454,088.36/16,101.09
  6. Step 6: Final answer
    x = 12,325.51

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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.