Home / 12,799.19-17,646.95-10,677.80

Finding the Fourth Proportional to 12,799.19, 17,646.95 and 10,677.80

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Solution

The fourth proportional to 12,799.19, 17,646.95 and 10,677.80 is: 14,722.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,799.19 : 17,646.95 = 10,677.80 : x
  2. Step 2: Convert to fraction form
    12,799.19/17,646.95 = 10,677.80/x
  3. Step 3: Cross multiply
    12,799.19x = 17,646.95 × 10,677.80
  4. Step 4: Simplify right side
    12,799.19x = 188,430,549.32
  5. Step 5: Solve for x
    x = 188,430,549.32/12,799.19
  6. Step 6: Final answer
    x = 14,722.07

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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.