Home / 14,010.84-19,320.12-12,600.12

Finding the Fourth Proportional to 14,010.84, 19,320.12 and 12,600.12

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Solution

The fourth proportional to 14,010.84, 19,320.12 and 12,600.12 is: 17,374.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,010.84 : 19,320.12 = 12,600.12 : x
  2. Step 2: Convert to fraction form
    14,010.84/19,320.12 = 12,600.12/x
  3. Step 3: Cross multiply
    14,010.84x = 19,320.12 × 12,600.12
  4. Step 4: Simplify right side
    14,010.84x = 243,435,830.41
  5. Step 5: Solve for x
    x = 243,435,830.41/14,010.84
  6. Step 6: Final answer
    x = 17,374.82

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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.