Home / 15,259.12-21,059.71-11,023.88

Finding the Fourth Proportional to 15,259.12, 21,059.71 and 11,023.88

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Solution

The fourth proportional to 15,259.12, 21,059.71 and 11,023.88 is: 15,214.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,259.12 : 21,059.71 = 11,023.88 : x
  2. Step 2: Convert to fraction form
    15,259.12/21,059.71 = 11,023.88/x
  3. Step 3: Cross multiply
    15,259.12x = 21,059.71 × 11,023.88
  4. Step 4: Simplify right side
    15,259.12x = 232,159,663.23
  5. Step 5: Solve for x
    x = 232,159,663.23/15,259.12
  6. Step 6: Final answer
    x = 15,214.49

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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.