Home / 13,457.04-20,182.06-5,134.59

Finding the Fourth Proportional to 13,457.04, 20,182.06 and 5,134.59

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Solution

The fourth proportional to 13,457.04, 20,182.06 and 5,134.59 is: 7,700.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,457.04 : 20,182.06 = 5,134.59 : x
  2. Step 2: Convert to fraction form
    13,457.04/20,182.06 = 5,134.59/x
  3. Step 3: Cross multiply
    13,457.04x = 20,182.06 × 5,134.59
  4. Step 4: Simplify right side
    13,457.04x = 103,626,609.87
  5. Step 5: Solve for x
    x = 103,626,609.87/13,457.04
  6. Step 6: Final answer
    x = 7,700.55

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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.