Home / 13,417.21-20,135.05-4,652.13

Finding the Fourth Proportional to 13,417.21, 20,135.05 and 4,652.13

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Solution

The fourth proportional to 13,417.21, 20,135.05 and 4,652.13 is: 6,981.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,417.21 : 20,135.05 = 4,652.13 : x
  2. Step 2: Convert to fraction form
    13,417.21/20,135.05 = 4,652.13/x
  3. Step 3: Cross multiply
    13,417.21x = 20,135.05 × 4,652.13
  4. Step 4: Simplify right side
    13,417.21x = 93,670,746.22
  5. Step 5: Solve for x
    x = 93,670,746.22/13,417.21
  6. Step 6: Final answer
    x = 6,981.39

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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.