Home / 15,458.60-23,200.70-7,151.40

Finding the Fourth Proportional to 15,458.60, 23,200.70 and 7,151.40

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Solution

The fourth proportional to 15,458.60, 23,200.70 and 7,151.40 is: 10,733.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,458.60 : 23,200.70 = 7,151.40 : x
  2. Step 2: Convert to fraction form
    15,458.60/23,200.70 = 7,151.40/x
  3. Step 3: Cross multiply
    15,458.60x = 23,200.70 × 7,151.40
  4. Step 4: Simplify right side
    15,458.60x = 165,917,485.98
  5. Step 5: Solve for x
    x = 165,917,485.98/15,458.60
  6. Step 6: Final answer
    x = 10,733.02

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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.