Home / 19,315.19-28,985.77-6,835.17

Finding the Fourth Proportional to 19,315.19, 28,985.77 and 6,835.17

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Solution

The fourth proportional to 19,315.19, 28,985.77 and 6,835.17 is: 10,257.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,315.19 : 28,985.77 = 6,835.17 : x
  2. Step 2: Convert to fraction form
    19,315.19/28,985.77 = 6,835.17/x
  3. Step 3: Cross multiply
    19,315.19x = 28,985.77 × 6,835.17
  4. Step 4: Simplify right side
    19,315.19x = 198,122,520.60
  5. Step 5: Solve for x
    x = 198,122,520.60/19,315.19
  6. Step 6: Final answer
    x = 10,257.34

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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.