Home / 19,407.80-29,117.86-6,927.55

Finding the Fourth Proportional to 19,407.80, 29,117.86 and 6,927.55

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Solution

The fourth proportional to 19,407.80, 29,117.86 and 6,927.55 is: 10,393.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,407.80 : 29,117.86 = 6,927.55 : x
  2. Step 2: Convert to fraction form
    19,407.80/29,117.86 = 6,927.55/x
  3. Step 3: Cross multiply
    19,407.80x = 29,117.86 × 6,927.55
  4. Step 4: Simplify right side
    19,407.80x = 201,715,396.41
  5. Step 5: Solve for x
    x = 201,715,396.41/19,407.80
  6. Step 6: Final answer
    x = 10,393.52

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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.