Home / 13,439.04-20,158.56-4,673.95

Finding the Fourth Proportional to 13,439.04, 20,158.56 and 4,673.95

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Solution

The fourth proportional to 13,439.04, 20,158.56 and 4,673.95 is: 7,010.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,439.04 : 20,158.56 = 4,673.95 : x
  2. Step 2: Convert to fraction form
    13,439.04/20,158.56 = 4,673.95/x
  3. Step 3: Cross multiply
    13,439.04x = 20,158.56 × 4,673.95
  4. Step 4: Simplify right side
    13,439.04x = 94,220,157.93
  5. Step 5: Solve for x
    x = 94,220,157.93/13,439.04
  6. Step 6: Final answer
    x = 7,010.93

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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.