Home / 14,280.71-19,681.38-11,746.62

Finding the Fourth Proportional to 14,280.71, 19,681.38 and 11,746.62

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Solution

The fourth proportional to 14,280.71, 19,681.38 and 11,746.62 is: 16,188.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,280.71 : 19,681.38 = 11,746.62 : x
  2. Step 2: Convert to fraction form
    14,280.71/19,681.38 = 11,746.62/x
  3. Step 3: Cross multiply
    14,280.71x = 19,681.38 × 11,746.62
  4. Step 4: Simplify right side
    14,280.71x = 231,189,691.94
  5. Step 5: Solve for x
    x = 231,189,691.94/14,280.71
  6. Step 6: Final answer
    x = 16,188.96

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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.