Home / 16,005.42-22,088.13-8,931.66

Finding the Fourth Proportional to 16,005.42, 22,088.13 and 8,931.66

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Solution

The fourth proportional to 16,005.42, 22,088.13 and 8,931.66 is: 12,326.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,005.42 : 22,088.13 = 8,931.66 : x
  2. Step 2: Convert to fraction form
    16,005.42/22,088.13 = 8,931.66/x
  3. Step 3: Cross multiply
    16,005.42x = 22,088.13 × 8,931.66
  4. Step 4: Simplify right side
    16,005.42x = 197,283,667.20
  5. Step 5: Solve for x
    x = 197,283,667.20/16,005.42
  6. Step 6: Final answer
    x = 12,326.05

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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.