Home / 19,766.93-27,280.85-12,966.71

Finding the Fourth Proportional to 19,766.93, 27,280.85 and 12,966.71

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Solution

The fourth proportional to 19,766.93, 27,280.85 and 12,966.71 is: 17,895.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,766.93 : 27,280.85 = 12,966.71 : x
  2. Step 2: Convert to fraction form
    19,766.93/27,280.85 = 12,966.71/x
  3. Step 3: Cross multiply
    19,766.93x = 27,280.85 × 12,966.71
  4. Step 4: Simplify right side
    19,766.93x = 353,742,669.27
  5. Step 5: Solve for x
    x = 353,742,669.27/19,766.93
  6. Step 6: Final answer
    x = 17,895.69

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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.