Home / 19,118.18-28,677.27-5,970.60

Finding the Fourth Proportional to 19,118.18, 28,677.27 and 5,970.60

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Solution

The fourth proportional to 19,118.18, 28,677.27 and 5,970.60 is: 8,955.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,118.18 : 28,677.27 = 5,970.60 : x
  2. Step 2: Convert to fraction form
    19,118.18/28,677.27 = 5,970.60/x
  3. Step 3: Cross multiply
    19,118.18x = 28,677.27 × 5,970.60
  4. Step 4: Simplify right side
    19,118.18x = 171,220,508.26
  5. Step 5: Solve for x
    x = 171,220,508.26/19,118.18
  6. Step 6: Final answer
    x = 8,955.90

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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.