Home / 14,548.90-21,804.15-12,897.70

Finding the Fourth Proportional to 14,548.90, 21,804.15 and 12,897.70

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Solution

The fourth proportional to 14,548.90, 21,804.15 and 12,897.70 is: 19,329.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,548.90 : 21,804.15 = 12,897.70 : x
  2. Step 2: Convert to fraction form
    14,548.90/21,804.15 = 12,897.70/x
  3. Step 3: Cross multiply
    14,548.90x = 21,804.15 × 12,897.70
  4. Step 4: Simplify right side
    14,548.90x = 281,223,385.46
  5. Step 5: Solve for x
    x = 281,223,385.46/14,548.90
  6. Step 6: Final answer
    x = 19,329.53

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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.