Home / 13,352.76-18,445.68-12,155.76

Finding the Fourth Proportional to 13,352.76, 18,445.68 and 12,155.76

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Solution

The fourth proportional to 13,352.76, 18,445.68 and 12,155.76 is: 16,792.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,352.76 : 18,445.68 = 12,155.76 : x
  2. Step 2: Convert to fraction form
    13,352.76/18,445.68 = 12,155.76/x
  3. Step 3: Cross multiply
    13,352.76x = 18,445.68 × 12,155.76
  4. Step 4: Simplify right side
    13,352.76x = 224,221,259.12
  5. Step 5: Solve for x
    x = 224,221,259.12/13,352.76
  6. Step 6: Final answer
    x = 16,792.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.