Home / 17,840.80-24,612.40-12,539.08

Finding the Fourth Proportional to 17,840.80, 24,612.40 and 12,539.08

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Solution

The fourth proportional to 17,840.80, 24,612.40 and 12,539.08 is: 17,298.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,840.80 : 24,612.40 = 12,539.08 : x
  2. Step 2: Convert to fraction form
    17,840.80/24,612.40 = 12,539.08/x
  3. Step 3: Cross multiply
    17,840.80x = 24,612.40 × 12,539.08
  4. Step 4: Simplify right side
    17,840.80x = 308,616,852.59
  5. Step 5: Solve for x
    x = 308,616,852.59/17,840.80
  6. Step 6: Final answer
    x = 17,298.38

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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.