Home / 15,430.14-21,273.71-12,594.60

Finding the Fourth Proportional to 15,430.14, 21,273.71 and 12,594.60

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Solution

The fourth proportional to 15,430.14, 21,273.71 and 12,594.60 is: 17,364.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,430.14 : 21,273.71 = 12,594.60 : x
  2. Step 2: Convert to fraction form
    15,430.14/21,273.71 = 12,594.60/x
  3. Step 3: Cross multiply
    15,430.14x = 21,273.71 × 12,594.60
  4. Step 4: Simplify right side
    15,430.14x = 267,933,804.99
  5. Step 5: Solve for x
    x = 267,933,804.99/15,430.14
  6. Step 6: Final answer
    x = 17,364.31

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.