Home / 14,289.20-21,458.10-10,595.60

Finding the Fourth Proportional to 14,289.20, 21,458.10 and 10,595.60

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Solution

The fourth proportional to 14,289.20, 21,458.10 and 10,595.60 is: 15,911.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,289.20 : 21,458.10 = 10,595.60 : x
  2. Step 2: Convert to fraction form
    14,289.20/21,458.10 = 10,595.60/x
  3. Step 3: Cross multiply
    14,289.20x = 21,458.10 × 10,595.60
  4. Step 4: Simplify right side
    14,289.20x = 227,361,444.36
  5. Step 5: Solve for x
    x = 227,361,444.36/14,289.20
  6. Step 6: Final answer
    x = 15,911.42

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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.