Home / 14,877.18-20,530.58-8,162.86

Finding the Fourth Proportional to 14,877.18, 20,530.58 and 8,162.86

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Solution

The fourth proportional to 14,877.18, 20,530.58 and 8,162.86 is: 11,264.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,877.18 : 20,530.58 = 8,162.86 : x
  2. Step 2: Convert to fraction form
    14,877.18/20,530.58 = 8,162.86/x
  3. Step 3: Cross multiply
    14,877.18x = 20,530.58 × 8,162.86
  4. Step 4: Simplify right side
    14,877.18x = 167,588,294.71
  5. Step 5: Solve for x
    x = 167,588,294.71/14,877.18
  6. Step 6: Final answer
    x = 11,264.79

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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.