Home / 14,666.40-20,239.60-8,700.96

Finding the Fourth Proportional to 14,666.40, 20,239.60 and 8,700.96

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Solution

The fourth proportional to 14,666.40, 20,239.60 and 8,700.96 is: 12,007.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,666.40 : 20,239.60 = 8,700.96 : x
  2. Step 2: Convert to fraction form
    14,666.40/20,239.60 = 8,700.96/x
  3. Step 3: Cross multiply
    14,666.40x = 20,239.60 × 8,700.96
  4. Step 4: Simplify right side
    14,666.40x = 176,103,950.02
  5. Step 5: Solve for x
    x = 176,103,950.02/14,666.40
  6. Step 6: Final answer
    x = 12,007.31

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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.