Home / 14,677.79-20,240.44-12,560.33

Finding the Fourth Proportional to 14,677.79, 20,240.44 and 12,560.33

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Solution

The fourth proportional to 14,677.79, 20,240.44 and 12,560.33 is: 17,320.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,677.79 : 20,240.44 = 12,560.33 : x
  2. Step 2: Convert to fraction form
    14,677.79/20,240.44 = 12,560.33/x
  3. Step 3: Cross multiply
    14,677.79x = 20,240.44 × 12,560.33
  4. Step 4: Simplify right side
    14,677.79x = 254,226,624.95
  5. Step 5: Solve for x
    x = 254,226,624.95/14,677.79
  6. Step 6: Final answer
    x = 17,320.50

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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.