Home / 13,435.95-20,155.08-3,575.23

Finding the Fourth Proportional to 13,435.95, 20,155.08 and 3,575.23

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Solution

The fourth proportional to 13,435.95, 20,155.08 and 3,575.23 is: 5,363.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,435.95 : 20,155.08 = 3,575.23 : x
  2. Step 2: Convert to fraction form
    13,435.95/20,155.08 = 3,575.23/x
  3. Step 3: Cross multiply
    13,435.95x = 20,155.08 × 3,575.23
  4. Step 4: Simplify right side
    13,435.95x = 72,059,111.40
  5. Step 5: Solve for x
    x = 72,059,111.40/13,435.95
  6. Step 6: Final answer
    x = 5,363.16

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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.