Home / 13,486.95-20,225.30-4,124.07

Finding the Fourth Proportional to 13,486.95, 20,225.30 and 4,124.07

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Solution

The fourth proportional to 13,486.95, 20,225.30 and 4,124.07 is: 6,184.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,486.95 : 20,225.30 = 4,124.07 : x
  2. Step 2: Convert to fraction form
    13,486.95/20,225.30 = 4,124.07/x
  3. Step 3: Cross multiply
    13,486.95x = 20,225.30 × 4,124.07
  4. Step 4: Simplify right side
    13,486.95x = 83,410,532.35
  5. Step 5: Solve for x
    x = 83,410,532.35/13,486.95
  6. Step 6: Final answer
    x = 6,184.54

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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.