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Finding the Fourth Proportional to 14,681.58, 20,252.11 and 9,370.41

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Solution

The fourth proportional to 14,681.58, 20,252.11 and 9,370.41 is: 12,925.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,681.58 : 20,252.11 = 9,370.41 : x
  2. Step 2: Convert to fraction form
    14,681.58/20,252.11 = 9,370.41/x
  3. Step 3: Cross multiply
    14,681.58x = 20,252.11 × 9,370.41
  4. Step 4: Simplify right side
    14,681.58x = 189,770,574.07
  5. Step 5: Solve for x
    x = 189,770,574.07/14,681.58
  6. Step 6: Final answer
    x = 12,925.76

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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.