Home / 14,669.71-21,952-12,702.13

Finding the Fourth Proportional to 14,669.71, 21,952 and 12,702.13

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Solution

The fourth proportional to 14,669.71, 21,952 and 12,702.13 is: 19,007.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,669.71 : 21,952 = 12,702.13 : x
  2. Step 2: Convert to fraction form
    14,669.71/21,952 = 12,702.13/x
  3. Step 3: Cross multiply
    14,669.71x = 21,952 × 12,702.13
  4. Step 4: Simplify right side
    14,669.71x = 278,837,157.76
  5. Step 5: Solve for x
    x = 278,837,157.76/14,669.71
  6. Step 6: Final answer
    x = 19,007.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.