Home / 15,457.60-23,199.20-7,150.40

Finding the Fourth Proportional to 15,457.60, 23,199.20 and 7,150.40

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Solution

The fourth proportional to 15,457.60, 23,199.20 and 7,150.40 is: 10,731.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,457.60 : 23,199.20 = 7,150.40 : x
  2. Step 2: Convert to fraction form
    15,457.60/23,199.20 = 7,150.40/x
  3. Step 3: Cross multiply
    15,457.60x = 23,199.20 × 7,150.40
  4. Step 4: Simplify right side
    15,457.60x = 165,883,559.68
  5. Step 5: Solve for x
    x = 165,883,559.68/15,457.60
  6. Step 6: Final answer
    x = 10,731.52

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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.