Home / 13,730.54-20,587.98-4,368.74

Finding the Fourth Proportional to 13,730.54, 20,587.98 and 4,368.74

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Solution

The fourth proportional to 13,730.54, 20,587.98 and 4,368.74 is: 6,550.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,730.54 : 20,587.98 = 4,368.74 : x
  2. Step 2: Convert to fraction form
    13,730.54/20,587.98 = 4,368.74/x
  3. Step 3: Cross multiply
    13,730.54x = 20,587.98 × 4,368.74
  4. Step 4: Simplify right side
    13,730.54x = 89,943,531.75
  5. Step 5: Solve for x
    x = 89,943,531.75/13,730.54
  6. Step 6: Final answer
    x = 6,550.62

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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.