Home / 15,257.76-21,062.16-10,296.48

Finding the Fourth Proportional to 15,257.76, 21,062.16 and 10,296.48

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Solution

The fourth proportional to 15,257.76, 21,062.16 and 10,296.48 is: 14,213.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,257.76 : 21,062.16 = 10,296.48 : x
  2. Step 2: Convert to fraction form
    15,257.76/21,062.16 = 10,296.48/x
  3. Step 3: Cross multiply
    15,257.76x = 21,062.16 × 10,296.48
  4. Step 4: Simplify right side
    15,257.76x = 216,866,109.20
  5. Step 5: Solve for x
    x = 216,866,109.20/15,257.76
  6. Step 6: Final answer
    x = 14,213.50

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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.