Home / 10,365.60-15,526.46-8,382.72

Finding the Fourth Proportional to 10,365.60, 15,526.46 and 8,382.72

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Solution

The fourth proportional to 10,365.60, 15,526.46 and 8,382.72 is: 12,556.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,365.60 : 15,526.46 = 8,382.72 : x
  2. Step 2: Convert to fraction form
    10,365.60/15,526.46 = 8,382.72/x
  3. Step 3: Cross multiply
    10,365.60x = 15,526.46 × 8,382.72
  4. Step 4: Simplify right side
    10,365.60x = 130,153,966.77
  5. Step 5: Solve for x
    x = 130,153,966.77/10,365.60
  6. Step 6: Final answer
    x = 12,556.34

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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.