Home / 13,730.58-20,595.65-4,371.17

Finding the Fourth Proportional to 13,730.58, 20,595.65 and 4,371.17

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Solution

The fourth proportional to 13,730.58, 20,595.65 and 4,371.17 is: 6,556.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,730.58 : 20,595.65 = 4,371.17 : x
  2. Step 2: Convert to fraction form
    13,730.58/20,595.65 = 4,371.17/x
  3. Step 3: Cross multiply
    13,730.58x = 20,595.65 × 4,371.17
  4. Step 4: Simplify right side
    13,730.58x = 90,026,962.58
  5. Step 5: Solve for x
    x = 90,026,962.58/13,730.58
  6. Step 6: Final answer
    x = 6,556.68

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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.